Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - Electric Supercharger?! (adaptable for fuel economy?)

freebeard · 10-21-2012, 02:57 PM

Possibly, but VGT doesn't recover electricity from the exhaust gases when it's not in boost. And BMW apparently will use *3* turbos, big little and electric, instead. Maybe they don't have the patents.

10-21-2012, 02:57 PM	#66 (permalink)
freebeard Master EcoModder Join Date: Aug 2012 Location: northwest of normal Posts: 28,805 Thanks: 8,182 Thanked 8,951 Times in 7,393 Posts	Possibly, but VGT doesn't recover electricity from the exhaust gases when it's not in boost. And BMW apparently will use 3 turbos, big little and electric, instead. Maybe they don't have the patents.