Fuel additives can promise better car performance, but there’s not enough data to verify the claim. Regardless, certain vehicles likely wouldn't benefit. Many, or all, of the products featured on this ...

If you thought diesel fuel additives were merely store-bought products at your favorite auto store, you'd better think again. Fuel suppliers, refineries, and manufacturers are the biggest market for ...

We may receive a commission on purchases made from links. In nearly 40 years of working on my own cars, I've been exposed to a staggering variety of products that promised to make vehicles more ...

Premium gas costs more, but does it really benefit your generator? Here's what you need to know before deciding whether to use it or stick with regular fuel.

Under normal circumstances, most modern engine oil and gasoline brands work fine on their own to keep your engine running smoothly. But there may be cases where even the best of them could use a ...

Find out why this special liquid is so important for trouble-free operation of engines stored for more than a few months.

So I've been looking to keep some gasoline around in my motorcycle that I don't ride for a few months out of the year and some spare in a gas tank for a generator (which I'll dump in my car every few ...