E15 gas can cost less at the pump, but its ethanol content may affect fuel economy in ways drivers should understand before ...

Speed feels powerful on the open road, but it quietly drains the fuel tank faster than most drivers expect. Every car reaches ...

Chevy's 6.6L Duramax offers high performance and lousy MPGs. If you want a comparable diesel engine with better gas mileage, ...

Attitude and heavy feet can get you more than a ticket. The Department of Energy estimates that these bad habits can cost you ...

The EPA uses static metrics in in laboratory environments for its fuel economy testing, and real-world driving conditions ...

The Trump administration's proposal to roll back fuel economy rules is projected to cost drivers more in fuel than they save on vehicle prices. Relaxing these standards may cause U.S. automakers to ...

The Toyota Prius remains the fuel economy king, delivering up to 57 mpg combined while offering sharper styling and better ...

Federal regulations have raised fuel efficiency over the decades, even though the Trump administration and Congress have recently rolled those rules back. One small bright spot as drivers stare down ...

There are a number of cheap fuel-economy improvement devices out there, but it turns out only the expensive stuff really ...

From track tests to real-world drives, we list the SUVs with the most gas mileage of 2026. See which models deliver the most ...

Small SUVs and crossovers continue to dominate the U.S. market because they combine roomy interiors, practical cargo space, easy maneuverability, and impressive fuel economy.

The price of gasoline rose by nearly 46% between January 1 and April 30, 2026. But rising fuel prices are not affecting all vehicles equally. Annual fuel costs for gas-powered ...