RVs burn through fuel fast — big engines, heavy loads, generators running at camp. One tablet dropped in your tank before fill-up helps your engine burn more of that fuel completely, stretching your range and cutting what you spend chasing the next fuel stop.
EPA Registered #23772000 · 25 years of use in gas & diesel engines · $1,000,000 engine damage insurance, zero claims filed
RV engines run hard — climbing grades fully loaded, idling to keep the AC or generator going at camp, sitting for months over winter. All of that adds up to more unburned fuel turning into deposits instead of miles.
Big tanks still empty fast under load — every point of lost mileage means more stops, and diesel at travel plazas isn't cheap.
Hours spent idling at camp or running the generator burn fuel without ever turning a wheel, and it all leaves the same deposits behind.
Fuel that sits over winter breaks down and leaves gum and varnish in injectors and carburetors before your first spring trip.
An engine issue on the road means finding an unfamiliar shop — every extra maintenance interval you can stretch keeps you moving instead of parked.
No engine modifications, no new hardware — just a catalyst that goes to work the moment it hits your tank, whether that's your coach, your generator, or the truck towing your fifth wheel.
Add the right size tab for your tank before you fill up — from a single 10-gallon tab in a tow vehicle to a full 50-gallon tab pack for a diesel pusher.
An organo-metallic combustion catalyst attaches to fuel molecules and lowers the temperature needed for them to fully ignite.
More of every gallon actually combusts, pulling more energy from the same tank while sending far less unburned fuel out the exhaust.
Fuel molecules need to reach a fairly high temperature to fully ignite, and combustion chamber heat is never perfectly even — the pockets that don't get hot enough leave fuel half-burned, which is where carbon deposits and rough running come from.
Green Fuel Tab products lower that ignition threshold, without touching your fuel's octane rating or your engine's emissions systems. The result: more of every gallon converts to usable power instead of soot, existing deposits gradually clear out, and a rig that's been sitting all winter gets a cleaner start come spring.
More complete combustion means more miles from every gallon, whether you're running gas or diesel.
Documented cuts to CO, NOx, SOx, hydrocarbons, and particulate output.
Same formula treats your coach's tank, your tow vehicle, and your onboard generator.
Used across gas and diesel engines, cars, trucks, marine vessels, and buses for over two decades.
The manufacturer carries a $1,000,000 policy covering engine damage — with zero claims filed in 25 years.
Registered with the EPA (#23772000) and built to not affect your manufacturer's warranty.
From a Class B camper van to a full diesel pusher towing a trailer, there's a tab size that matches your tank.
Each tab treats 10 gallons — ideal for a tow vehicle, camper van, or trying the product before treating your whole season's fuel.
Each tab treats 20 gallons — sized for the average gas or diesel motorhome tank, generator fuel included.
Each tab treats 50 gallons — built for large diesel pusher tanks or a full season's worth of dosing in one order.
A high-mileage SUV owner saw mileage climb from 20.4 to 24 mpg after switching — about two extra gallons of range every fill-up, along with noticeably stronger throttle response and cleaner-smelling exhaust.
A twin-turbo pickup owner measured a 21% mileage improvement, stretching a tank that used to run about 660 miles to over 815 miles once he adjusted his driving to match.
Yes. The same formula works in any gas or diesel engine, so one product line covers your motorhome, an onboard generator, and whatever you're towing with.
Yes — treating stored fuel with a tab helps it burn more completely once you're back on the road, and consistent use helps clear the gum and varnish deposits that build up during storage.
No. It doesn't alter the properties of your gas or diesel, and manufacturer warranties on fuel-related components are protected under federal law regardless.
Match the tab size to your tank: 10-gallon tabs for a tow vehicle or small rig, 20-gallon tabs for the average Class A/C motorhome, and 50-gallon tabs for large diesel pusher tanks.
There's a money-back guarantee: if you don't save at least the cost of the tab on a tank of fuel, the difference is refunded, up to the price of the product.
Green Fuel Tabs and Green Fuel Liquid are EPA-registered, backed by a $1,000,000 engine insurance policy, and sized to fit anything from a tow vehicle to a diesel pusher.