This article is part of the GM Authority Mailbag series, where the GM Authority Crew features and replies to your questions, comments, and observations. Write in to the Mailbag here. This one comes to ...

More and more, as I review new vehicles, and they need fuel, I open the gas tank flap all set to unscrew the gas cap, but there is not one there. There is a small trap door, that you can't push in ...

Capless fuel systems are great. No more gas cap to worry about. However, there is one important thing you should know if your vehicle has this feature. Filling up your vehicle with a capless fuel ...

Thanks to a spring-loaded flapper door, Ford's capless fuel-filler automatically seals after the fuel nozzle is removed to better control the amount of evaporative emissions emitted at the gas station ...

The Ford GT supercar debuted in 2005 with a lot of notice paid to its performance and looks. But the $150,000 sports car also features a capless fuel filler that Ford says it will expand to its entire ...

The 2013 Cadillac XTS, which will hit dealerships in a few weeks, is a hotbed of new technology and features for GM. The car is the launch vessel for everything from the CUE infotainment system to ...

Capless fuel systems are great. No more gas cap to worry about. However, there is one important thing you should know if your vehicle has this feature. Filling up your vehicle with a capless fuel ...