Pike forecasts NEV market to remain small, although with double the growth rate of light-duty vehicles to 2017

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In the US, the National Highway Traffic Safety Administration (NHTSA) defines NEVs as low-speed vehicles (LSVs) that are limited to 25 mph (40 km/h) and to roads with a speed limit of 35 mph. Top speed is 45 km/h (28 mph). Because of the solid separator in AGM batteries, they are considered to be sealed valve-regulated lead-acid (VRLA) batteries. Annual worldwide NEV sales by region, 2011–2017. Source: Pike Research. Click to enlarge.

2011 197

Axion Power and ePower Engine Systems enter 5-year agreement for use of PbC batteries in diesel-electric drivetrains for Class 8 trucks; tests suggest up to 35% improvement in fuel economy

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We have worked with several types of batteries, including advanced lead-acid batteries, and have come to the firm conclusion that even VRLA or glass-mat batteries are not capable of sustained performance in this demanding application for over-the-road transport. At a 65 mph cruise, the system is designed to operate using generator power only.

2013 198
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Controlled Power Technologies and Advanced Lead-Acid Battery Consortium to unveil LC Super Hybrid at Geneva show; low-cost “micro-mild” demonstrator

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Technologies include an electric supercharger; next generation belt-integrated starter generator with an advanced belt tensioning system; carbon enhanced valve regulated lead–acid (VRLA) batteries which avoid the need for supercapacitors, and higher gear ratios to reduce engine speed. In 6 th gear, which is taller even than the gearing in the baseline vehicle, the 80 to 120 km/h (50 to 75 mph) top gear acceleration is reduced by 3.5 The LC Super Hybrid demonstrator.

2012 198

UK Collaboration Develops Plug-in Hybrid Retrofit for Conventional Vehicles

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The development team retained the existing conventional front-wheel-drive system of the Combo but added an electric drive, powered via low-cost valve regulated lead-acid (VRLA) batteries, to the rear wheels. Electric only drive has been limited to propel the vehicle at a speeds up to 60 km/h (37 mph). Battery pack state of charge vs. distance for the ADDZEV vehicle under all-electric power on the UDDC cycle. Source: Cranfield. Click to enlarge.

2009 150