Green Car Congress

JUNE 6, 2013

Monthly fuel economy of the retrofitted Honda Civic during the first 9 months of the fleet test. DOE researchers attributed the significant fuel economy reduction for May, June, and July as most likely being due to significant mountain driving and the likely use of the vehicle’s air conditioning. Source: DOE. Click to enlarge.

Lead Acid 223

Lead Acid Civic Hybrid Fleet Miles 223

Green Car Congress

MAY 23, 2012

Second, driving conditions impact the fuel efficiency of all vehicle technologies, but there are differences in the impact across technologies. Fuel efficiency, in turn, affects the magnitude of energy use and GHG emissions associated with each WTW stage. C1 is shorter than C2, which is shorter than C3).

PHEV 210

PHEV C1 Emissions Coal 210

Green Car Congress

APRIL 3, 2015

Using data gathered during four different, comprehensive ground tests conducted over the past decade, researchers from NASA and their colleagues have statistically analyzed the impact of jet fuel properties on aerosols emitted by the NASA Douglas DC-8 CFM56-2-C1 engines burning 15 different aviation fuels.

Fuel 150

Fuel C1 Alternative Fuels Emissions 150