If the Japanese from Yamaha have it their way, though, that may change. Buried deep on one of the Japanese company's home website are details concerning something called a Series Parallel Hybrid ...

Last week, Yamaha revealed a hybrid motorcycle engine ... Spotted by the folks at Visordown, the series-parallel hybrid electric vehicle (SPHEV) system combines a typical combustion engine with ...

In series hybrid driving/engine driving mode, the internal combustion engine will also fire up, providing power to the rear wheel via the belt drive and recharging the bike's battery via the ...