Fuel isn't cheap, so how can you make sure that you are using it as efficiently as possible? Here are 10 tips to help you ...

What if you drive a vehicle that recommends premium fuel and you decide to save a few ... t advance enough to take full ...

Researchers with the U.S. Department of Energy estimate that not only does personal vehicle idling waste three billion extra gallons of fuel each year, but it also releases 30 million tons of ...

The reality TV contestant heading up the Dept. of Transportation finalized his rule to make your cars less efficient, thus raising fuel costs.

Transportation Secretary Sean Duffy says Biden-era fuel economy standards for gas-guzzling cars and trucks are illegal and ...

More power requires more fuel, so the engine sucks it down quicker. If extra people or extra cargo weigh the vehicle down, it requires more energy to pull or push itself around. More energy ...

Does your car need regular fuel or premium? Gas or diesel ... He also pointed out that “accidentally fueling with extra ethanol is not like a diesel misfueling that automatically shuts down ...

One of the most common fuel additives is gas-line antifreeze ... has many advantages that may make it worth its relatively small extra cost. And if your car is older, using an oil specifically ...

Not all gasoline is created equal. There is plain old regular, and then there is regular gasoline that meets a higher standard, known as “Top Tier.” The difference between the two is ...

The Trump administration on Friday took a step to undermine Biden-era rules that tightened fuel efficiency requirements for cars and trucks. The Transportation Department published an ...