Top Tier gas is worth the extra cost, per a study by AAA. CR lists car brands that recommend Top Tier gasoline and gas stations where you can buy Top Tier gas.

Douglas McIntyre, Editor-in-Chief at Climate Crisis 24/7, explains the environmental and health concerns that led to the removal of lead from gasoline in the 20th century. He highlights the emergence ...

My question is about gasoline. The conventional wisdom I’ve always heard is that brand-name gas (Chevron, Shell, etc.) is better for your engine than what is sold at discount/mom-and-pop gas stations.

Premium and Top Tier gas sound good, but what’s really best for your car — and your budget? In some cases, these types of fuel are indeed better for your car — but for different reasons. Premium gas, ...