Use Regular Gasoline Unless your vehicle requires premium gasoline, filling up your car with high-octane gas is a waste of money. The premium gas doesn’t boost your gas mileage or performance. If you’re not sure what grade works best for your vehicle, your owner’s manual will tell you. You can also ask your mechanic what...

Summer can be tough on cars, especially during high temperatures when heat can destroy batteries and stress the cooling system and tires. As a precaution, these vehicle components should be checked periodically during summer to help avoid breakdowns and car problems, according to the Car Care Council. Life of your Battery Excessive heat and overcha...