As engines need air to burn fuel, during intake, valves open up and allow ambient air to come in. When the piston reaches the bottom, the valves close for compression and are then sent upward to ...

GM patents a dual-port charging system for EVs with vehicle-to-load I'm not sure why you'd want to do both at the same time, but this EV could. Jonathan M. Gitlin – Jan 16, 2025 3:00 pm | 144 ...