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ALABC lead-acid UltraBattery Civic hybrid surpasses 100,000 miles of fleet duty

Green Car Congress

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.

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CMU team details impact of regional and drive-cycle variations on degradation of a PHEV battery pack

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The battery industry traditionally defines end-of-life (EOL) as the point where the battery’s energy storage capacity drops by 20% of its initial value—indicated by the solid horizontal black line on the first two charts. (a) a) Capacity Fade in Phoenix, comparison of air cooling vs no cooling for two drive cycles. (b)

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