This is why, in this list, we will be ranking what we have determined are the top five most fuel efficient pure-gas cars, as ...

Short of haggling for the best possible deal at a dealership, one of the best ways to save money is by choosing a very fuel-efficient vehicle. What makes this even better than any one-time savings is ...

Finnish manufacturer Wärtsilä introduced an engine back in 2015 that was so good, it snagged a Guinness World Records title for being the most efficient four-stroke diesel engine shortly after its ...

Looking for a fuel-efficient car on a budget? Discover the top 6 most fuel-efficient vehicles under $35,000 in 2025, featuring great MPG, value, and performance. Car buyers may choose fuel-efficient ...

If you never knew that Geely made the internal combustion engine (ICE) with the world's highest thermal efficiency, do not feel guilty. I tried to let people know about it in August 2022, when the ...

Electric cars are far more efficient than combustion engines, yet face adoption hurdles as synthetic fuels gain unexpected ...

On a list dominated by small cars, the midsize 2025 Honda Accord is an impressive outlier. A highway mpg rating of 37 means this sedan, with generous legroom and trunk space greater than its class ...