Top 25 Best Wood Chippers & Shredders & & Mulchers

 

1. Patriot

Patriot Products CSV-3090H 9 HP OHV Honda GX Gas-Powered Wood Chipper/Leaf Shredder

Patriot Products CSV3090H 9 HP OHV Honda GX GasPowered Wood ChipperLeaf Shredder

Feed branches up to 3 inches in diameter into the cone to make coin size chips Carb compliant Easily shred mountains of leaves by sliding them into the large hopper on the top of the unit Powered by the strong quiet and easy starting honda gx engine Processed material will be discharged up to 5 ft from the machine or into the std collection bag

 

2. SuperHandy

SuperHandy Wood Chipper Shredder Electric 1.5″ (39mm) Max Wood Capacity 17:1 Reduction 15A 1800W 120VAC Dual Edge Blades for Fire Prevention & Firebreaks (Amazon Exclusive for USA)

SuperHandy Wood Chipper Shredder Electric 15 (39mm) Max Wood Capacity 171 Reduction 15A 1800W 120VAC Dual Edge Blades for Fire Prevention  Firebreaks (Amazon Exclusive for USA)

Efficient design and capabilities the durable polypropylene housing will not rust nor dent and protects the rotor assembly which consists of 2 cutting blades for maximum chipping capability our wood chipper is equipped w an easy instant start switch and an overload protection switch also included is a supply cable of 137 inch 035m11 and transported easily w the 2 6 inch wheels giving great portability Safety and proper use our electric wood chippers are quality tested to industry standards always use the correct extension cord for the distance of extension need refer to the owners manual on page e2 for recommended instructions wood chipper shredders are best suited for outdoor environments

Specifications this all electric corded wood chipper shredder and mulcher is designed w a durable polypropylene body and all powerful 15amp 1800watt 120vac 60hz electric belt driven motor capable of 157 inch 39mm max limb chipping capacity to 17 1 reduction ratio and overall speed of 4100rpms

Eco and user friendly unlike gasolinepowered chippers this electric wood chipper produces no smog and is quieter making it a reliable choice included are a set of dual edge blades that provide longevity for extended use we included a sturdy push paddle so you can safely feed material into the hopper

 

3. WORX

WORX WA0050 Flex-A-Line 24-Pack 13″ Replacement Line for WG430 Electric Leaf Mulcher

WORX WA0050 FlexALine 24Pack 13 Replacement Line for WG430 Electric Leaf Mulcher

24pack to keep you stocked for a while 11 1 mulching ratio cut down 11 bags worth of leaves and debris into 1 and processes 53 gallons of leaves per minute Do it yourself Do it better Do it with worx Worx tools are engineered with cuttingedge technology and above modern efficiency standards so you can build a costeffective tool collection thats been designed to last Made for worx intended to be used with the 130 amp leaf mulcher wg430

Easy install toolfree replacement for convenience Precut to the perfect length save yourself the hassle of cutting the line yourself these are ready to go right out of the package

 

4. All Power America

All Power America APWC210 Heavy Duty Durable Wood Chipper Shredder Mulcher-Max 4″ Inch Cutting Diameter Capacity Gas Powered, 7HP 208cc, 4 inch, Green/Black

All Power America APWC210 Heavy Duty Durable Wood Chipper Shredder MulcherMax 4 Inch Cutting Diameter Capacity Gas Powered 7HP 208cc 4 inch GreenBlack

7hp 208cc ohv engine with dual direct drive gearbox Dual revesible double edge blades ajustable 180 degreesupdown 2 vbelttransmission structure Maximum 4 inch wood cutting diameter max cutting speed 2200 rpm Epa certified Non cARB Compliant not available to ship to california Comes with 10 tires with the 21 wheel base an infeed dimension of 18 x 15

For offroad use only

 

5. MARTHA STEWART

MARTHA STEWART MTS-EHT22 13-Amp 16:1 Reduction Adjustable Electric Mulcher & Leaf Shredder

MARTHA STEWART MTSEHT22 13Amp 161 Reduction Adjustable Electric Mulcher  Leaf Shredder

Powerful motor mulches up to 55 gallons of leaves per minute Smart shred technology dustreducing motor cooling system for cleaner air during operation Great for shredding fallen leaves and making it into mulch that can be used as compost or easily disposed of Conveniently attaches to leafbaglined trash container for easy disposal

 

6. EFCUT

EFCUT C30 Mini Wood Chipper Shredder Mulcher, 7 HP 212cc Gasoline Engine, 3″ Max Wood Diameter, 15:1 Waste Reduction Ratio, 2-Year Warranty After Product Registration

EFCUT C30 Mini Wood Chipper Shredder Mulcher 7 HP 212cc Gasoline Engine 3 Max Wood Diameter 151 Waste Reduction Ratio 2Year Warranty After Product Registration

Efcut c30 mini wood chipper shredder has a unique designed check windows for faster replacement of blades making your gardening work more efficient Efcut c30 mini wood chipper shredder can easily chip shred and mulch 3 inch max brancheslimbs with leaves at a high waste reduction ratio up to 15 1 Efcut c30 mini wood chipper shredder can be used for forestry gardens landscaping or yard waste recycling to chip tree brancheslimbs and shred brush as a craftsman limb shredder 2year warranty after product registration against machine constructionexcept blades etc Consumables

Efcut c30 mini wood chipper has a powerful recoil starting gasoline engine of 7hp 212cc horizontal 4stroke single cylinder ohv gas engine fuel w87 unleaded gasoline maximum 10 ethanol gasoline can be used as well 07 gallons max capacity

Efcut c30 mini wood chipper shredder has a 118 inch cutting rotor with 2 blades 4 hammers turning out smaller shreds with high feeding speed grilling device on discharge outlet turning shreds and branchs leaves into mulches

 

7. Powerhorse

Powerhorse Chipper/Shredder – 420cc OHV Engine, 4in. Chipping Capacity

Powerhorse ChipperShredder  420cc OHV Engine 4in Chipping Capacity

Durable 420cc gas engine with cast iron sleeve and low oil shutdown for additional engine protection Dual feed unit with dropin shredding hopper and chipper chute 13in Pneumatic tires roll well over mixed terrain Easily to maneuver with a wellbalanced low center of gravity and builtin handle Portable design is easy to load onto a transport vehicle or roll to the work area

 

8. Champion Power Equipment

Champion Power Equipment 200905 3-Inch Portable Chipper-Shredder with Collection Bag

Champion Power Equipment 200905 3Inch Portable ChipperShredder with Collection Bag

Heavyduty the chipper chute is equipped with hardened steel blades and handles branches up to 3 inches in diameter plus the included 2bushel collection bag makes yard cleanup a cinch Engine type 4 stroke Versatile the shredder chute makes fast work of shrubbery leaves or yard debris up to ½ inch or less in diameter plus the rear access cleanout port makes it easy to remove any jams Champion support includes 2year limited warranty with free lifetime technical support from dedicated experts

Powerful 224cc champion singlecylinder ohv engine with a92gallon fuel tank and63quart oil capacity provides the power for fast heavyduty and hasslefree chipping and shredding Convenient and compact the compact lightweight design makes it easy to maneuver and takes up less space to store in your garage shop or shed

 

9. J&C

J&C Wood Chipper Shredder Mulcher Cover 43.2×33.4in Waterproof Dustproof Electric Leaf Mulcher Cover Shredder Protection Black

JC Wood Chipper Shredder Mulcher Cover 432x334in Waterproof Dustproof Electric Leaf Mulcher Cover Shredder Protection Black

Made of durable oxfordwaterproof and dustproof Size 120x82cm47x32inplease check the size carefully Shredder cover keep your outdoor or indoor electric leaf mulcher cleanprotected your shredder during windsnow and storms Protects your wood chipper and shredder from dust dirt rain wind sun snow birds and other condition Package includes 1 pcs electric leaf mulcher coverIf you have any questionsplease contact us

Design with elastic hem cord you can easy to install and remove

 

10. Patriot Products Inc.

Tow Bar for Patriot Products Wood Chipper

Tow Bar for Patriot Products Wood Chipper

The engine mount securely bolts to the base of the gas wood chipper engine and is intended to remain in place once installed The remaining tow bar components can quickly and easily be attached for towing or removed when storing or manually moving your patriot gas wood chipper Note this parts kit contains only the tow bar kit items It does not include a wood chipper tractor or atv

Note this tow bar kit and your patriot wood chipper are only designed for low speed towing around your property Neither this tow bar kit or your patriot wood chipper are designed for high speed towing This parts kit is designed to allow you to tow all patriot gas wood chippers behind a typical riding mower garden tractor or atv

 

11. SuperHandy

SuperHandy Leaf Mulcher Shredder Green and Waste Management Heavy Duty Gas Powered 3.4HP 1″ Inch Cutting Capacity for Leaves Grass and Clippings

SuperHandy Leaf Mulcher Shredder Green and Waste Management Heavy Duty Gas Powered 34HP 1 Inch Cutting Capacity for Leaves Grass and Clippings

Best application engine oil not included use minimum 8587 octane gasoline with 10 ethanol our leaf mulcher shredder are best suited for outdoor environments for best performance and application use for forestry gardens landscaping or green waste recycling of twigs small tree branches shred brush mulch leaves and corn stocks do not use for fresh greens pine cones palm branches fronds will jam petrified wood or vines Specifications this one of a kind gas powered leaf mulcher shredder durable heavy duty steel housing design with upper feeding port body We are powering this machine with all powerfu145cc ohv gas powered engine capable of 1inch 25mm max diameter small branches twigs Providing consistent speeds with 6 chipping blades and 2 shredding hammers gyrating at 3600rpms Large hopper design dimensions 173 x 145 x 238 inches

Design and capabilities great choice for green renewable recycling waste management The durable steel housing is supported by a firm sturdy powder coated steel frame protecting the motor assembly Included are 2 pu solid 10 wheels to make transporting easy in all terrain environments easy operations with the throttle controller on the handle

Safety our gas leaf mulcher shredder engine is built to built with epacarb certified gas engine Designed with a steel safety catch feeding guard to provide additional protecting during operation always operate according to directions outlined in the user manual always wear the appropriate hand and eye protection

 

12. SuperHandy

SuperHandy Wood Chipper Shredder Mulcher 7HP Engine Heavy Duty Compact Rotor Assembly Design 3″ Inch Max Capacity Aids in Fire Prevention and Building Firebreaks

SuperHandy Wood Chipper Shredder Mulcher 7HP Engine Heavy Duty Compact Rotor Assembly Design 3 Inch Max Capacity Aids in Fire Prevention and Building Firebreaks

Powerful this chippers powerful recoil starting 7hp horizontal 4stroke single cylinder ohv gas powered engine handles up to 3 diameter wood without a problem fuel w 87 unleaded gasoline no ethanol recommended 07 gallons max capacity Safety always operate according to directions outlined in the user manual always wear the appropriate hand and eye protection engine oil not included can be used to aid in fire prevention and building firebreaks this machine is epacarb certified Effficient performance this mini wood chipper shredder mulcher design has a reduction ratio of 15 1 capable of high volume chippingshreddingmulching via the large extended feeing chute for upto 3 max branches limbs and debris

Unique design built to be compact and lighter than other steel chippers this design has a highly desirable vertical extended discharge chute with adjustable discharge guide to deliver accurate debris discharge with an angled range of 90135 degrees

 

13. TORUTA

TORUTA Wood Chipper Shredder Mulcher Cover – 33″ x 45″ (420D Heavy-Duty Oxford Cloth) Waterproof, Sun-Proof, dust-Proof Protection – Grey

TORUTA Wood Chipper Shredder Mulcher Cover  33 x 45 (420D HeavyDuty Oxford Cloth) Waterproof SunProof dustProof Protection  Grey

Easy to installthere are double handles on both sides of the top to facilitate the wearing of the protective coverthe fabric can be wiped with a damp cloth or rinsed with water do not use strong detergent it will damage the surface waterproof coating and reduce the service life Exclusive designsuitable for most wood chipper shredder mulcherprotective cover size diameter 33 inch x height 43 inch

Nice materialsthe covering is made of 420d oxford cloth with silver plated primer insideuv resistant and sturdy helps prevent the influence of rain snow frost dust tree sap etc And can be used in a variety of occasions Quality assuredif there is any problem with the product please feel free to contact us we will give you a satisfactory solution

Heartwarming designthe bottom is equipped with a convenient drawstring with a rope lock which can be quickly and comfortably matched and fits easily with most wood chippersWith ventsvents reduce internal condensation and reduce bacterial growth

 

14. Earthwise

Earthwise GS70015 15-Amp Garden Corded Electric Chipper, Collection Bin

Earthwise GS70015 15Amp Garden Corded Electric Chipper Collection Bin

Powerful mulcher chipper with a 15amp electric motor to shred branches up to 175 thick Portable electric mulcher design with rear wheels Chute and tamper tool to keep your hands free and safe from the corded electric chippershredder Earthwise power tools by alm garden mulcher material type aluminum metal plastic power source type corded electric Electric mulcher that is easy to clean with a huge 12 bushel collection bin

 

15. GreatCircleUSA

Universal Wood Chipper Shredder Mulcher Leaf Vacuum Kit 4″ Inch x 10′ Feet PRO Heavy Duty Accessory For: GreatCircleUSA, Landworks, SuperHandy, Tazz & Earthquake (WOOD CHIPPER NOT INCLUDED)

Universal Wood Chipper Shredder Mulcher Leaf Vacuum Kit 4 Inch x 10 Feet PRO Heavy Duty Accessory For GreatCircleUSA Landworks SuperHandy Tazz  Earthquake (WOOD CHIPPER NOT INCLUDED)

Specs this wood chipper shredder leaf vacuum kit is designed to work with greatcircle landworks superhandy tazz and earthquake chippers brands our kit includes 2 different adapter pieces to fit the wood chipper you own the vacuum hose is made of durable pu and pvc wcopper wiring at a large 4 inch diameter by 10 feet long includes nozzle and extended handle wood chipper not included combine this w a tow bar kit and youre ready to tackle any project tow bar not included Safety and proper use we recommend that you always wear the correct hand and eye protection when operating any machine or accessory type of waste permitted light loose dry waste such as leaves grass clippings or sawdust note the vacuum is engineered for small loose waste and for cleaning around decorative landscaping and flower beds twigs wet leaves and other bulky materials will clog the hose or obstruct the shredding chamber no more raking get the job done faster

Efficient and versatile having the ability to turn your wood chipper into a leaf vacuuming machine is a wise use of your chippershredder at a 4 inch diameter for large volume feeding and w 10 feet long of extension reaching rough terrain areasspots or flower beds etc is simple quick effective when operating the vacuum kit make sure that you have the adapter on tight that all other feeding chambers are cappedclosed this is vital in order to create a vacuum for the best results

 

16. Landworks

Landworks Mini Wood Chipper Shredder Mulcher Heavy Duty 7HP Compact Design 3″ Inch Max Capacity

Landworks Mini Wood Chipper Shredder Mulcher Heavy Duty 7HP Compact Design 3 Inch Max Capacity

Best application use for forestry gardens landscaping or green waste recycling to chip tree brancheslimbs shred brush mulch leaves and corn stocks do not use for fresh greens pine cones palm branches fronds will jam pertrified wood or vines Powerful this chippers powerful recoil starting 7hp horizontal 4stroke single cylinder ohv gas powered engine handles up to 3 diameter wood without a problem fuel w 87 unleaded gasoline no ethanol recommended 07 gallons max capacity Effficient performance this mini wood chipper shredder mulcher design has a reduction ratio of 15 1 capable of high volume chippingshreddingmulching via the large extended feeing chute for upto 3 max branches limbs and debris

Unique design built to be compact and lighter than other steel chippers this design has a highly desirable vertical extended discharge chute with adjustable discharge guide to deliver accurate debris discharge with a angled range of 90145 degrees Safety always operate according to directions outlined in the user manual always wear the appropriate hand and eye protection engine oil not included can be used to aid in fire prevention and building firebreaks this machine is epacarb certified

 

17. SuperHandy

SuperHandy Mini Wood Chipper Shredder Mulcher Heavy Duty 7HP Compact Design 3″ Inch Max Cutting Capacity

SuperHandy Mini Wood Chipper Shredder Mulcher Heavy Duty 7HP Compact Design 3 Inch Max Cutting Capacity

Unique design built to be compact and lighter than other steel chippers this design has a highly desirable vertical extended discharge chute with adjustable discharge guide to deliver accurate debris discharge with a angled range of 90145 degrees Powerful this chippers powerful recoil starting 7hp horizontal 4stroke single cylinder ohv gas powered engine handles up to 3 diameter wood without a problem fuel w 87 unleaded gasoline no ethanol recommended 07 gallons max capacity Safety always operate according to directions outlined in the user manual always wear the appropriate hand and eye protection engine oil not included can be used to aid in fire prevention and building firebreaks this machine is epacarb certified

Best application use for forestry gardens landscaping or green waste recycling to chip tree brancheslimbs shred brush mulch leaves and corn stocks do not use for fresh greens pine cones palm branches fronds will jam petrified wood or vines Effficient performance this mini wood chipper shredder mulcher design has a reduction ratio of 15 1 capable of high volume chippingshreddingmulching via the large extended feeing chute for upto 3 max branches limbs and garden debris

 

18. Sun Joe

Sun Joe CJ601E-RM Chipper Joe 14 Amp Electric Wood Chipper/Shredder (Renewed)

Sun Joe CJ601ERM Chipper Joe 14 Amp Electric Wood ChipperShredder (Renewed)

Powerful 14 amp motor effectively chips and shreds branches up to 15inches thick Compact design with 6inch wheels for easy portability Safety hopper with locking knob prevents the motor from operating when opened Refurbished 90day warranty from snow joe llc Warranty information included in carton Ideal for turning branches and twigs into nutrientrich garden mulch

 

19. VEVOR

VEVOR Bud Trimmer, 18 Inch Leaf Bowl Trimmer,110V Electric Hydroponic Bud Trimmer, Electric Leaf Bud Trimming Machine, 3 Speed Leaf Bud Trim Reaper for Plants Buds and Flowers with 6 Extra Blade Bag

VEVOR Bud Trimmer 18 Inch Leaf Bowl Trimmer110V Electric Hydroponic Bud Trimmer Electric Leaf Bud Trimming Machine 3 Speed Leaf Bud Trim Reaper for Plants Buds and Flowers with 6 Extra Blade Bag

6 replaceable blades the steel blades in the leaf trimmer are durable and sharp enough to cut various plants and flowers You can get six extra blades along with the machine for replacement And we also provide you with a hand pruner for convenient use Secure 3speed trimmer the 18 automatic bud trimmer features three speeds for you to adjust according to your time and favorites The 60 w motor ensures high efficiency and low noise And the security valve can stop the blades while opening the grate to avoid cutting your hands

Stainless steel frame the auto trimmer bud is made of 304 stainless steel rustproof scratchproof and sturdy enough for longterm use It is easy to clean but please store and clean the blade carefully to avoid hurting

Inside fan bottommount bag the fan mounted inside the spin pro trimmer will help blow the trimmed leaves into the collecting bag to reduce the mess and compose a debris recovery system Effortless operation just plug in and start trimming your plants The electric bud trimmer can be used for cutting various plants and shrubs such as rosemary oregano basil mint lavender coriander and parsley

 

20. WEN

WEN 41121 15-Amp Rolling Electric Wood Chipper and Shredder

WEN 41121 15Amp Rolling Electric Wood Chipper and Shredder

Turn your excess lawn clippings twigs and foliage into highgrade nutrientrich mulch Shred sticks and branches up to 15 inches in diameter with ease Internal safety mechanism automatically prevents startups when the hopper is still open 15amp motor provides up to 8000 cuts per minute over 130 cuts per second

 

21. Aaaspark

Aaaspark Waterproof Heavy-Duty Wood Chipper Shredder Mulcher Cover for Wood Chipper Shredder Mulcher and Leaf Mulcher(33″x45″),Black

Aaaspark Waterproof HeavyDuty Wood Chipper Shredder Mulcher Cover for Wood Chipper Shredder Mulcher and Leaf Mulcher(33x45)Black

Dimension electric leaf mulcher cover is suitable for most bladeless electric leaf mulchers with a maximum size of 3345 inch All weather protection electric leaf mulcher cover protect your machine four seasons from harmful uv rays dirt dust snow rainindustrial pollutants and bird droppings Easy to install remove cover the mower and lock it at the bottom by elastic hem cord install within seconds Handle makes the cover removal easily

Wood chipper shredder mulcher cover electric chipper cover is made of 4 layers heavy duty materials Pepeva are 100 waterproof its great for rain snow protection High reflective aluminum is good at sunproof antiuv and durable in the hot sun That is why aaaspark cover is thicker and durable than other similar covers Satisfaction guarantee all of our covers are backed by our 1 year replacement warranty Please contact us directly at our website if any concerns and a replacement will be sent We strive for 100 customer satisfaction

 

22. Patriot

Patriot Products CSV-3100B 10 HP Briggs & Stratton Gas-Powered Wood Chipper/Leaf Shredder

Patriot Products CSV3100B 10 HP Briggs  Stratton GasPowered Wood ChipperLeaf Shredder

The side discharge allows you to work in the same location all day long without moving the chipper Shredding leaves is a breeze with patriots swinging yhammer system The chipping power of the 10 hp briggs engine coupled with patriots unique design will wow you Make short work of branches up to 3 inches in diameter

50 state compliant

 

23. ENGINDOT

Wood Chipper, ENGiNDOT Electric Chipper Shredder with 15Amp Power, Silent Wood Shredder with Max 1.73 Inches Cutting Capacity, 60L Collection Bag, Adjustable Cutting Blade for Gardens and Landscaping 

Wood Chipper ENGiNDOT Electric Chipper Shredder with 15Amp Power Silent Wood Shredder with Max 173 Inches Cutting Capacity 60L Collection Bag Adjustable Cutting Blade for Gardens and Landscaping 

powerful durable the wood chipper shredder is equipped with a 15amp pure copper motor durable and highhardness seventooth blade which is more sturdy and durable than ordinary blades The blade speed is up to 60rpm can cut branches and wood quickly and easily improving work efficiency low noise the metal planetary gearbox and quiet motor have an effect on shock absorption the noise is less than 94db in operation Compared with other machines the noise of this chipper shredder is at a firstclass level It will not disturb your familys entertainment and rest when used in the yard

high efficiency 173 inches maximum cutting diameter and high torque of 460nm for better cutting engindot branch mulcher is enough to meet the cutting requirements of most branches in your yard 60l largecapacity collection bag of the electric chipper reduces the frequency of emptying the bag which makes work more efficient Note this wood mulcher is more suitable for cutting branches rather than fresh leaves and vines as many green leaves and vines will cause clogging

anticlogging system the anticlogging and reversible blade design of the compost shredder can reduce clogging problems And plunger paddle can help the branches pass through the hopper slot Note when using for the first time tighten the blade adjustment knob and turn it back half a turn to avoid damage to the blade

safety compact the storage slot of the electric shredder can be used for storing gloves and other tools The button is covered with insulating plastic to ensure safety The lightweight body is equipped with convenient wheels to make it easier to transport the wood chipper

 

24. VICTORY

VICTORY Motorized Wood Chipper, MDWC1500

VICTORY Motorized Wood Chipper MDWC1500

Efficient disc rotor cutting up to 4 12 inches Electric start battery included 135hp 420cc 4stroke bs gasoline engine 2 ball hitch with arm on chassis connects to atv 22 rotor turns at 2000rpm

 

25. G

GreatCircleUSA Mini Wood Chipper Shredder Mulcher Ultra Duty 7 HP Gas Powered 3″ Inch Max Wood Capacity EPA/CARB Certified Aids in Fire Prevention and Building Firebreaks

GreatCircleUSA Mini Wood Chipper Shredder Mulcher Ultra Duty 7 HP Gas Powered 3 Inch Max Wood Capacity EPACARB Certified Aids in Fire Prevention and Building Firebreaks

Unique design built to be compact and lighter than other steel chippers this design has a highly desirable vertical extended discharge chute with adjustable discharge guide to deliver accurate debris discharge with a angled range of 90145 degrees userfriendly features like the easypull recoil starter easy pour accufill design Best application use for forestry gardens landscaping or green waste recycling to chip tree brancheslimbs shred brush mulch leaves and corn stocks do not use for fresh greens pine cones palm branches fronds will jam petrified wood or vines

Powerful this wood chipper shredder mulcher has an all powerful recoil starting alphaworks 7hp horizontal 4stroke single cylinder ohv gas powered engine producing 3600rpms a rowdy 107 ft lbs of torque handling up to 3 diameter wood without a problem Effficient performance this mini wood chipper shredder mulcher design has a reduction ratio of 15 1 capable of high volume chippingshreddingmulching via the large extended feeing hopper chute for up to 3 inch max branches limbs and garden debris

Safety always operate according to directions outlined in the user manual always wear the appropriate hand and eye protection engine oil not included can be used to aid in fire prevention and building firebreaks emission compliant with carb phase iii epa phase iii fuel w 87 unleaded gasoline no ethanol recommended