NREL study finds 2nd-generation diesel hybrid delivery vans show significant gains in fuel economy over conventional vans
Green Car Congress
SEPTEMBER 29, 2012
The hybrid group accumulated 33% fewer miles than the conventional group during the complete 18-month study. The team also performed dynamometer testing at the Renewable Fuels and Lubricants (ReFUEL) Research Laboratory in Denver. mpg, 13% greater than the 9.2 mpg of the conventional group on those routes a year earlier.
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