Protect the carpet from dirt and moisture by adding all weather floor mats

Seen at diesel pumps, these designations indicate the amount of biodiesel blended with petroleum-based diesel. So B20 is 20% biodiesel, 80% low-sulfur diesel, while B100 is 100% biodiesel.

A battery-electric vehicles uses an electric motor for power source. The electricity powering the motor is stored in a battery pack that must be recharged from an electric power source.

Diesel fuel made at least partly from non-petroleum sources, such as used restaurant grease. Most diesel-powered vehicles can use biodiesel without conversion or alteration of the engine.

A vehicle fuel based on starchy plant materials, commonly corn in the U.S.

A cargo net

This petroleum-based fuel gets higher fuel efficiency than gasoline. It used to have more tailpipe emissions, but technological innovations in the past decade have nearly erased this concern and dropped diesel emissions to near gasoline levels.

A fuel blend that contains 85% ethanol, 15% gasoline.

Environmental Protection Agency. Together with the Department of Energy, the EPA issues mileage and emissions ratings for all cars sold in the U.S.

A high-octane, low-emissions fuel long used in racing. Now it’s made from renewable plant materials and can be used in regular vehicles, though it gets lower fuel economy ratings than gasoline.