Fleet Fuel Economy Maintenance NiMH 
Green Car Congress
JUNE 12, 2010
Fuel economy was similar between the gHEVs and diesel vehicles, except for the highest kinetic intensity drive cycle where the hybrid exhibited ~20% higher fuel economy. NREL collected and analyzed data for in-use fuel economy and fuel costs, maintenance costs, total operating costs, and vehicle uptime.
Green Car Congress
FEBRUARY 24, 2011
NREL’s Fleet Test and Evaluation Team recently completed a year-long technology evaluation of gasoline hybrid electric (gHEV) FedEx Express delivery trucks compared with conventional diesel vehicles. On a drive cycle representing routes with frequent stops and accelerations, the gHEV trucks exhibited a 20% improvement in fuel economy.
Clean Fleet Report
NOVEMBER 2, 2023
Fuel economy numbers reported by Clean Fleet Report are non-scientific and represent the reviewer’s driving experience using the dash gauge computer. The nickel-metal hydride (NiMH) battery is charged when applying the brakes or coasting. Clean Fleet Report’s test car had the Lexus Multimedia System with a 12.3-inch,
Clean Fleet Report
AUGUST 25, 2022
Clean Fleet Report recently had the opportunity to drive the 2022 Lexus RX 450h F Sport AWD and came away reminded why more than 50% of Lexus owners return to the brand. The EPA rates fuel economy at 31 mpg city/28 highway/30 combined. The EPA rates fuel economy at 31 mpg city/28 highway/30 combined.
Clean Fleet Report
SEPTEMBER 5, 2022
The trick to getting the highest fuel economy in a hybrid is learning how to drive it efficiently. Fuel economy for the 2022 UX 250h, which runs on 87 octane gasoline, is EPA rated at 41 mpg city/38 highway/39 combined, but in the Eco drive mode our time traversing Southern California highways covered 221 miles at an average of 42.7
Green Car Congress
APRIL 9, 2009
The system combines a 100 kW AC induction traction motor, power electronics and 288 V NiMH battery pack with the conventional 5.4-liter The Balance hybrid can deliver up to a 40% increase in fuel economy, 30% reduction in greenhouse gas emissions and 30% reduction in maintenance costs. A Collins bus. Click to enlarge.
Tony Karrer Delicious EVdriven
APRIL 21, 2009
A PHEV can provide power to an entire home in the case of an outage; A fleet of PHEVs could power critical systems during emergencies. If we optimistically assume the average US fuel economy is 25 miles per gallon, at $3.00 But wait, theres more: If your driving is mostly local, youd almost never need to gas-up.
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