Batteries California MPG Nickel Metal Hydride 
Clean Fleet Report
NOVEMBER 2, 2023
The 2023 UX 250h runs on 87 octane and is EPA rated at 43 mpg city/41 highway/42 combined. In the 210 miles we put on the CUV, averaging 65 miles per hour traversing Southern California highways, we had an average of 41.5 The nickel-metal hydride (NiMH) battery is charged when applying the brakes or coasting.
Clean Fleet Report
AUGUST 25, 2022
MG 1 starts the gasoline engine and charges the nickel-metal hydride (NiMH) battery, while MG2 drives the front wheels and regenerates the battery during braking and coasting, and MGR drives the rear wheels and also regenerates the battery. The EPA rates fuel economy at 31 mpg city/28 highway/30 combined.
Clean Fleet Report
SEPTEMBER 5, 2022
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 mpg, and on short in-town runs I was getting in excess of 50 mpg.
Clean Fleet Report
JUNE 5, 2021
Using 87 octane fuel, the engine and transmission combination earned an EPA fuel economy rating of 36 mpg city/36 highway/36 combined. In 313 miles of driving through Southern California we averaged 35.6 The nickel metal hydride battery is charged when applying the brakes or coasting.
Green Car Congress
MARCH 2, 2009
The Gen III Prius offers an EPA-rated combined cycle fuel economy of 50 mpg (now revealed to comprise 50 mpg city and 49 mpg highway). The 2ZR-FXE engine is SULEV-rated (with AT-PZEV) in California, and has a Federal Tier 2 Bin 3 rating. Battery pack. An exhaust gas recirculation (EGR) system has also been added.
Tony Karrer Delicious EVdriven
APRIL 21, 2009
Add batteries and grid-charging, and you get PRIUS+, a "plug-in" hybrid (PHEV). On the highway, it runs just like any other Prius, with the gasoline engine doing most of the work -- and the extra batteries kicking in to improve performance at ALL speeds. That means no gas when you do your errands on local streets at 35mph.
Spirit of DC - PHEV3A
DECEMBER 4, 2009
The vehicle expands Toyota’s Hybrid Synergy Drive technology with the introduction of a first generation lithium-ion battery that enables all-electric operation at higher speeds and longer distances than the conventional Prius hybrid. Regional programs are currently slated for California, Washington D.C.,
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