IN 2008, automaker Subaru unveiled its EE20, a 2.0L flat-four common-rail turbodiesel engine, as an option in European versions of popular models like the Outback and Legacy. The engine offered ...

Subaru will mate it to a Toyota-sourced hybrid system to create the world’s first turbo-diesel boxer plug-in hybrid powertrain. Of course these are just rumors as they stand, so they should be ...