We've tested start-stops system and have gotten surprising results, but can lightning strike twice with the 2015 Jaguar F-Type R?
You don't have to sacrifice fuel economy when you buy a used car. There are plenty of 30-mpg-plus cars in today's market.
Start-stops systems like the one in our 2014 BMW 328i Grand Turismo have the office talking, but how much fuel can they really save?
Alternative fuel myths debunked: Diesel doesn't stink, ethanol's not that cheap, CNG isn't a cure-all and hydrogen won't blow you to bits.
Need help making sense of all the new electric vehicles on the market? Our editors surveyed all the EVs available, and some that are on their way soon, to see how they all stack up.
September was a good month for Edmunds' long-term 2014 Mazda 3. We put on about 1,800 miles and overall, we got slightly better fuel economy — 32 mpg — than we had achieved in prior months.
With electric vehicles, the EPA's estimated range is only part of the story. See how our real-world driving tests of electric cars can give you the whole picture.