Tesla leads in fuel economy with 118 mpg, while Honda and Toyota also improve. See how your car brand ranks amid changing ...

Rising fuel prices and tightening emissions regulations are pushing fuel efficiency to the forefront of driver concerns.

A study of one million plug-in hybrids reveals real-world fuel consumption is triple official figures. See why lab tests ...

Data suggests that PHEVs consume more than three times as much fuel as their official ratings suggest. On paper, the average ...

Tesla leads in fuel economy as the Trump administration moves to roll back federal auto emission rules. See how other top ...

The Trump administration has outlined a sweeping revision to U.S. fuel economy regulations, proposing sharply reduced efficiency targets that would make it easier for automakers to sell ...

A low purchase price is only the start to finding a truly affordable car. Their spectacular fuel economy helps these 10 cars ...

The owners of EVs may see the value of their cars soften under the new reduced fuel economy rules set by the Trump Administration. Credit: Keith Stern-Pirlot Don’t look now, but the Trump White House ...

WASHINGTON, D.C. — The Trump administration announced new fuel efficiency standards for cars, rolling back regulations put in place during the Biden administration. President Donald Trump said that ...

WASHINGTON, Dec 3 (Reuters) - President Donald Trump on Wednesday proposed slashing fuel economy standards that former President Joe Biden had finalized last year, in a push to make it easier for ...

President Donald Trump's administration is being sued over his plan to slash federal emissions regulations and fuel economy ...