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MetroMPG · 12-03-2012, 04:26 PM

In Honda's IMA system with EV mode, the engine always turns, whether it's running or not.

Toyota's system only turns the engine in EV mode above ~40 mph. Below that, the engine is stopped, minimizing EV mode losses compared to Honda's (previous) approach.

12-03-2012, 04:26 PM	#22 (permalink)
MetroMPG Batman Junior Join Date: Nov 2007 Location: 1000 Islands, Ontario, Canada Posts: 22,534 Blackfly - '98 Geo Metro Team Metro Last 3: 70.09 mpg (US) MPGiata - '90 Mazda Miata 90 day: 54.46 mpg (US) Appliance car Mirage - '14 Mitsubishi Mirage ES (base) 90 day: 57.73 mpg (US) Thanks: 4,082 Thanked 6,979 Times in 3,614 Posts	In Honda's IMA system with EV mode, the engine always turns, whether it's running or not. Toyota's system only turns the engine in EV mode above ~40 mph. Below that, the engine is stopped, minimizing EV mode losses compared to Honda's (previous) approach. __________________ Project MPGiata! Mods for getting 50+ MPG from a 1990 Miata Honda mods: Ecomodding my $800 Honda Fit 5-speed beater Mitsu mods: 70 MPG in my ecomodded, dirt cheap, 3-cylinder Mirage. Ecodriving test: Manual vs. automatic transmission MPG showdown EcoModder has launched a forum for the efficient new Mitsubishi Mirage www.MetroMPG.com - fuel efficiency info for Geo Metro owners www.ForkenSwift.com - electric car conversion on a beer budget