Not true. What a series hybrid does is give you big-engine power for small-engine efficiency. Pull onto the highway and you get 350 hp from the battery, which

Not true. What a series hybrid does is give you big-engine power for small-engine efficiency. Pull onto the highway and you get 350 hp from the battery, which the engine recharges at a steady 50 hp. If you have a big engine you are only losing efficiency.