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Panasonic develops 12V NiMH energy recovery system for start-stop vehicles; aims to double fuel economy improvement rate of start-stop systems

Green Car Congress

Panasonic Corporation has developed a NiMH-based 12V Energy Recovery System for start-stop systems in vehicles. The system is also designed to supply power to the drive assist motor, improving fuel economy. Concept of the 12V Energy Recovery System for start-stop. Click to enlarge.

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Toyota to Stay with NiMH for Mass-Market Hybrids

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Toyota Motor Corporation will continue to use NimH packs for most of its hybrid vehicles after three years of testing Priuses fitted with Li-ion packs. Toyota last month ended road tests of 126 Priuses in the US, Japan and Europe that began in 2006, company spokeswoman Jana Hartline said in an interview.

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Honda boosts performance and fuel economy on 2013 CR-Z Sport Hybrid Coupe using new Li-ion pack

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The 2013 Honda CR-Z goes on sale 21 November with a number of powertrain, styling and feature upgrades, including a new Li-ion battery pack that replaces the NiMH pack in the MY 2012 CR-Z hybrid and delivers more power and improved fuel economy. The MY 2012 CR-Z hybrid used a 100V NiMH pack.)

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NREL/GM Project Finds Ultracaps Perform as Well or Better Than NiMH Pack for Energy Storage in Mild Hybrid Vehicle

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A National Renewable Energy Laboratory (NREL) project, funded by GM, found that an ultracapacitor-based energy storage system (ESS) in a Saturn VUE BAS (belt alternator starter) mild hybrid performed at least as well or better than the NiMH battery system in the production hybrid. Pesaran, A.; Lustbader, J.; Tataria, H.

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NREL study finds gasoline hybrid delivery trucks substantially reduce emissions and beat or maintain fuel economy compared to diesel vehicles

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On a drive cycle representing routes with frequent stops and accelerations, the gHEV trucks exhibited a 20% improvement in fuel economy. On drive cycles representing routes with fewer stops and accelerations, the gHEV trucks demonstrated similar fuel economy to the diesels. Ah NiMH battery pack. Click to enlarge.

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Toyota introduces 7th generation Camry for 2012 with improved fuel economy and performance across all models; ~39% jump in EPA city cycle fuel economy for the hybrid

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The 2012 Camry again offers three powertrain choices, all of which have been enhanced for 2012 to provide better fuel economy and more responsive performance: a revised 2.5L, 4-cylinder gasoline engine; an enhanced 3.5-liter The projected city/highway/combined fuel economy for the LE model equates to 5.47, 6.03

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Toyota announces expected fuel economy and pricing for RAV4 Hybrid: 33 mpg combined, entry at $28,370

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Regenerative braking changes the electric motor to a generator that captures the kinetic energy of the still-turning wheels when the brake is applied, storing it in the nickel-metal hydride (NiMH) hybrid battery pack. In EV mode, the RAV4 Hybrid, under certain conditions, will run solely on the electric motor for up to 0.6