The Trump administration proposed rules that would weaken fuel economy standards for vehicles set under President Biden in ...

Signed into law in 1975, the Corporate Average Fuel Economy (CAFE) standards regulate how far vehicles must travel on a ...

The regulatory decision would make it harder for future administrations to implement stricter fuel efficiency standards.

The president said he would weaken Biden-era mileage standards, which were designed to increase electric-vehicle sales, ...

Engines are getting smaller and more powerful, but these high-strung engines may not be as reliable in the long run as older ...

The Trump administration is expected on Wednesday to propose weakening automobile fuel efficiency standards that were set ...

Despite its buzzy name, CAFE has nothing to do with coffee. However, it has shaped how automakers build cars and how buyers ...

Many owners pump their cars with fuel but never stop to think about just what they’re pouring inside the tank. Gas has unique properties, like weight and density, which all play an essential part. In ...

Fuel dilution of the engine oil is a problem that faces many modern combustion engines. Also known as “crankcase dilution” it is a process where fuel is leaked into engine oil when it travels towards ...

Premium gas sounds like it’s something special. But it translates into paying extra for a higher octane without any performance or fuel-economy benefits for many cars. That’s what we found after ...

At the White House this afternoon, President Trump said he was terminating "ridiculously burdensome" fuel economy rules. It's ...