Biodiesel can be an effective way to reduce fuel costs and reuse waste material. However, not every car can use it. Here are the biodiesel-compatible Cummins.

One environmental group, which declined to be identified, didn't have anyone to comment on the prospect of veggie oil reducing oil dependency or clearing up the air, calling it a "non-issue." But that doesn't mean veggie cars won't get more popular or become easier to operate.

It's no secret that gas is expensive, and very rarely does it decline in price for long. To counteract the damage done by fossil fuels, scientists are working hard to make it less essential for daily life. There are even some interesting renewable energy ...

If you value your engine and the investment your vehicle represents, don’t take shortcuts when it comes to vehicle maintenance.