SynGas plugs into your car and supports your driving with feedback designed around modern engine management. The goal is simple: help you get the most out of every tank by understanding your habits behind the wheel.
If your car has an OBD2 port — and most gas-powered cars built since 1996 and most diesels since the early 2000s do — SynGas is designed to fit. No adaptors, no wiring, no garage visit.
Every driver is different — city stop-start, motorway commute, school runs, weekend trips. SynGas takes the first stretch of driving to learn your patterns before settling into its working state.
Plug it in below the steering wheel and that's it. Nothing to charge, nothing to update, no app to install. If you ever want it gone, you just unplug it.
SynGas is designed to support a more even, less wasteful driving style — so the pedal feels more natural and the engine isn't fighting against you.
The unit is small enough to sit under the dash where you'll forget it's there. No screen, no buttons, no clutter on your console.
Better mileage means fewer fill-ups, and fewer fill-ups means less fuel burned over a year. A small win for the planet alongside your wallet.
Designed to work across a wide range of vehicles. If your car has an OBD2 port (the diagnostic socket near the driver's footwell), you're in.
More from the Tank
Spending Less
Smoother Pedal
Out of Sight
Just Plug In
Less Wasted Fuel
No installation manual the size of a phone book. No mechanic. Just three small things and you're done.
Look under the dash near the steering column. The OBD2 port is usually within arm's reach. Plug SynGas straight in.
Go about your week. SynGas spends the first 150 miles or so getting a feel for how you drive.
Once it's settled in, just keep an eye on how often you're filling up. The whole point is fewer trips to the gas station.
SynGas wasn't built to dazzle you with lights and screens. It was built to do one job in the background: help you make a bit more sense of your fuel use, drive more steadily, and keep more of your money in your pocket. You plug it in, forget about it, and let it do its thing.
Most of us don't really think about how we drive — we just drive. SynGas is a small nudge in the other direction: a tool that makes fuel use feel like something you have a bit of say in, rather than another gas station bill you can only react to.
What a typical US household spends on gas each year — one of the bigger variable bills sitting alongside utilities and groceries.
The CO₂ a typical US passenger car emits in a year. Less fuel burned means less of that going up — alongside the savings.
Tinkering with your driving used to mean books, courses, or guesswork. SynGas takes a more current approach — a quiet plug-in that fits the way cars are built today, aimed at people who'd rather just get on with their day.
A small selection of feedback from verified US buyers. We've kept first names only out of respect for privacy.
I drive a fair distance to work each day so anything that helps me think about how I'm driving is welcome. Plugged it in once, never thought about it again. Pump visits feel a bit further apart now, which suits me.
Came quickly. Plugged it in, did the bit where you turn the key for half a minute, and that was it. Doesn't get in the way of anything — that's all I really wanted.
Most of my driving is short urban hops which is the worst for fuel. I was hoping this would help nudge things in the right direction. Quietly does its job, no fuss.
Bought it after seeing gas prices creep up again. Honestly forgot it was even installed after a couple of days. The fact that I can pull it back out at any time was the part that made me try it. Would buy another for my wife's car.
You've got 30 days to try SynGas. If you decide it isn't your cup of tea, return it and we'll refund you. No interrogation, no hoops to jump through.
Discounts apply on multi-packs. Click below to claim your offer on the official checkout.
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