Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - 5 stroke engine could increase FE by 5%-20%

RobertSmalls · 10-24-2009, 04:55 PM

No, the Miller/Atkinson cycle is just a delayed intake valve closing, allowing the compression ratio to be less than the expansion ratio. The novelty here is all after the exhaust valves. The two are not mutually exclusive.

10-24-2009, 04:55 PM	#8 (permalink)
RobertSmalls Left Lane Ecodriver Join Date: Aug 2008 Location: Buffalo, NY, USA Posts: 2,257 Prius C - '12 Toyota Prius C Thanks: 79 Thanked 287 Times in 200 Posts	No, the Miller/Atkinson cycle is just a delayed intake valve closing, allowing the compression ratio to be less than the expansion ratio. The novelty here is all after the exhaust valves. The two are not mutually exclusive.