When John Q. Everyman thinks of a hybrid car, odds are he’s picturing something like a Prius or an Insight. It’s true that gasoline-electric hybrid systems are the powertrain of choice right now, but what of diesel-hydraulic hybrids?
Diesel-hy-whatnow?
It’s not the most obvious solution to energy storage, but already a number of experimenters and low-volume manufacters [...]



