The arrival of E10 fuel has left motorists in the UK divided as drivers reacted to the new petrol when it came out in September.
It was rolled out to forecourts across England, Wales and Scotland, and it's blended with up to 10% renewable ethanol.
But despite it being greener than existing petrol, it's not working for every road user with a number of Brits reporting issues.
Now according to a founder of the YouTube channel Number 27, E10 fuel might cause "far worse problems" for motorists after all.
Jack warned the new petrol may cause an "increase in fuel consumption" because the ethanol is "less energy-dense".
It essentially means drivers will have to "use more" to cover a similar distance.
He said: "I need to talk to you about something that's pretty shocking I've just found out about E10 fuel.
"And it has absolutely nothing to do with the fact it might damage old classics. No, there is a far worse problem with using E10.
"It affects every single car on the road which uses petrol whether it is one of the oldest or the very newest car that's out.
"E10 causes an increase in fuel consumption for any car that's using it. Ethanol is actually less energy-dense than Unleaded fuel."
Drivers risk £5,000 fine and 9 points on licence as clocks go back this weekend
Want all the biggest Lifestyle news straight to your inbox? Sign up for our free Daily Star Hot Topics newsletter
Jack warned: "You're not going to lose any power because your car will alter the air-fuel balance to make up for that loss of energy.
"But your fuel consumption will go up. I really couldn't believe it."
The Department for Transport's Introducing E10 petrol study confirmed drivers would experience lower fuel economy.
It confirmed fuel economy may drop by up to 2% using the new compound.
However, the DfT said this was ultimately down to the "driving style" of motorists.
It comes after concerns were raised by a quarter of private individuals in relation to fuel economy in the consultation.
Drivers questioned about the changes warned this could "mitigate emissions benefits" and could have an impact on costs.
The US Energy Information Administration (EIA) claims the energy content is around 33% lower than Unleaded, reports the RAC.
Source: Read Full Article