The Only Comprehensive Fuel Treatment Formulated To Work As Hard As You Do
Maximized Power & Efficiency, Minimized Down Time.   
That's the LEL Promise.

It's Not Just Fuel To Us, It's a Way of Life.
At LEL, we understand that whether it's for work or play, a healthy engine is vital to ensuring you get where you need to go and maximizing your productivity each and every day.
Diesel Fuel
Longer Engine Life (LEL), works in several ways to ensure your diesel engine runs the way it was designed to. 
  • For automotive, industrial, agricultural, and recreational applications.  (Do NOT use where non-fuel grade rubber is present due to potential swelling)
  • SAVES MONEY- Treats your fuel for roughly $.07 or less per gallon, while often improving fuel economy by 5-12%!
  • PREMIUM FUEL IN A BOTTLE- LEL boosts cetane and oxygenates fuel!
  • Conditions fuel and works to lubricate fuel system components.
  • Cleaner fuel systems equal maximized HP and efficiency.
  • Extends fuel injector life .
  • Reduced Cold Filter Plug Point, or CFPP lets you work in even the harshest environments with decreased risk of gelling.  
  • Inhibits bacterial and microbial growth.
  • Alcohol and ethanol free.
  • Disperses water.
  • Reduces emissions.
  • Reduces smoke output. 
  • For year-around use.
  • Saves money with every fill up. 
  • Reduces down time and maintenance costs.
  • Extends fuel filter life.
  • Minimizes particulate filter plugging and need for regeneration. 
  • Neutralizes sulfur corrosion, ash and other corrosives.
  • Potent: Uses a 1:1000 mix ratio for most diesel applications.
Not only does LEL work well for diesels, it has also proven to be extremely beneficial for gasoline engines of all types.
  • SAVES MONEY- Treats your fuel for roughly $.07 or less per gallon, while often improving fuel economy by 5-12%!
  • PREMIUM FUEL IN A BOTTLE- LEL boosts octane and oxygenates fuel for less than the cost of buying premium fuel!
  • Fights ethanol problems.
  • Stabilizes fuel.
  • Disperses water.
  • Reduces emissions.
  • Cleans entire fuel system.
  • Restores power by removing residue, varnish and carbon deposits from pistons, valves and other engine components.
  • Helps free sticky lifters.
  • May safely be used occasionally, or in every tank for maximized benefit.
  • Safe for two and four stroke motors.  (Do NOT use where non-fuel grade rubber is present due to potential swelling)
  • Revitalizes hardened rubber components in fuel system.
  • Potent: Uses a 1:1000 mix ratio for most gasoline applications.
At a 7% average fuel economy increase, LEL saves us hundreds of dollars per month in diesel costs.
Morandin Concrete
Finally a fuel additive that stands up to its claims!
David P.
I am seeing nearly a 5 MPG increase on the highway in my 2013 Jeep Wrangler! 
Erica M.
It brought my Toyota Pickup back to life!
Brian O.
I am seeing over 10% better fuel economy in my Jeep Grand Cherokee EcoDiesel by using LEL.
Will F.
Better fuel economy, less smoke, more power. Impressive stuff.
Allan L.
I am seeing a 2-4 mpg improvement in my 5.7 Hemi.
Brian A.
I am getting markedly better fuel economy in my Seqoia after just one dose of LEL.
Chris H.

32 Ounce (1 Qt.)

Treats up to 250 gallons of fuel.MSRP $17.95

16 Ounce

Treats up to 125 gallons of fuel.MSRP $13.95

8 Ounce

Treats up to 65 gallons of fuel.MSRP $9.95

We are accepting dealer applications, contact us to inquire!
Fleets or fuel distributors, call for bulk pricing-
Also available in 1, 2.5, 5 and 55 gallon quantities!
               Dealers & Distributors


Ellenbecker Oil- 1514 Russell Ave, Cheyenne, WY 82001  Ph. 307-632-5151

NAPA Auto Parts- 907 E. Lincolnway, Cheyenne, WY 82001  Ph. 307-634-2141

Mr. Diesel & Auto Repair- 2518 S Greeley Hwy, Cheyenne, WY 82007  Ph. 307-637-4000

Welding & Machine- 1635 W 19th St, Cheyenne, WY 82001 Ph. 307-632-6810

Little America Travel Center- 2800 W Lincolnway, Cheyenne, WY 82001  Ph. 800-235-6396  

Spradley Barr Ford- 2200 Westland Rd, Cheyenne, WY 82001  Ph. 307-638-3335 

All Around Ag- 1442 Little Leaf Ct., Cheyenne, WY 82009 Ph. 307-399-1280
(Regional Wholesale & Distribution)


Ellenbecker Oil- 553 W Garfield St, Laramie, WY 82072  Ph. 307-745-3242  

NAPA Auto Parts- 606 S. 2nd St., Laramie, WY 82070 Ph. 307-745-4868


Pine Bluffs:

Bluffs Car Care- 700 Parson St, Pine Bluffs, WY 82082  Ph. 307-245-3575

Pine Bluffs Auto Parts (NAPA)- 511 W. 8th St., Pine Bluffs, WY 82082 Ph. 307-245-3281


Tumbleweed Propane- 527 Warren St. Thermopolis, WY 82443 307-460-0347 (LEL Retail Sales / Regional Wholesale & Distribution)
Automotive to Fleet, Construction to Ag - LEL Has You Covered
Contact Us
Longer Engine Life (LEL) is a
registered trademark of 
All Around Ag, LLC

1442 Little Leaf Ct.
Cheyenne, WY 82009

We are proud to be Wyoming owned and operated. 

Please contact us if you have any questions, comments or would like a free sample! 


LEL is a flammable liquid and contains petroleum distillates.  Use only in well-ventilated area and do not store or use near heat, sparks or open flame.
If swallowed contact Poison Control.  


LEL Contains chemicals known by the state of California to cause cancer.

For a full SDS, please contact All Around Ag, LLC at the number or email listed under the "Contact" section.