The Quantum Q-Cab 180 DGE is a back-of-cab CNG system equipped with the company's three-tank Q-Lite tank technology. The lightweight, efficent storage solution is grid-friendly and easy to install, according to the company. Removable back cover panels allows for convenient service, and a safety switch deticts if the door is left open, prohibiting the vehicle from starting. The Q-Cab 180 DGE is compatible with the company's Q-Rail frame-rail, and it comes with a two-year, 200,000 mile warranty.