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NTSB Chair questions safety impact of heavy EVs

Green Car Congress

A GMC Hummer EV weighs over 9,000 pounds, up from about 6,000 pounds. But until they do, the number of casualties in crashes is likely to increase as heavy electric vehicles join lighter existing fleets. Its gross vehicle weight rating is a staggering 10,550 pounds. This added risk wouldn’t apply if everyone drove cars of similar heft.

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ATT putting 101 CNG Chevrolet Express Cargo vans into fleet

Green Car Congress

AT&T is putting 101 Chevrolet Express Cargo 2500 vans powered by low-emissions compressed natural gas into its customer service fleet. Chevrolet Express/GMC Savana CNG storage tanks. The CNG option is available for order on Chevrolet Express and GMC Savana 2500 and 3500 Cargo vans. Click to enlarge.

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California ARB clears XL Hybrids for hybrid van conversions in California; unit on sale

Green Car Congress

has received California Air Resources Board (CARB) Executive Order (EO) #D-731-1 allowing aftermarket conversions of gasoline-powered 2012-2014 model year General Motors 2500 and 3500 vans, Chevrolet Express and GMC Savana vans into hybrid electric vehicles. XL Hybrids, Inc. metric tons of carbon dioxide reduced.

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Study Assesses Product Attribute Trade-offs and Technological Progress; Meeting Proposed Obama Fuel Economy Standards Will Require Downsizing and Change in Fleet Mix

Green Car Congress

Changes in the attributes (clockwise from upper left, weight, power, fuel economy and torque) of the Honda Accord over time as an example of fleet trends in the US. In contrast, the standards recently announced by the Obama Administration, while attainable, require downsizing and a shift in the fleet mix away from SUVs. Knittel, 2009.

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Lightning Hybrids releases initial emissions testing results for medium-duty hydraulic hybrids

Green Car Congress

liter V10 and a 2010 GMC 3500 Savana Cutaway 6.0-liter Lightning Hybrids met or exceeded all California Air Resources Board (CARB) Heavy-Duty hybrid emissions certification standards using published HD HEV Certification Test Procedures. Fleets Hybrids Hydraulic Hybrid' Lightning Hybrids tested two vehicles: a 2013 Ford E450 6.8-liter

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CNG Process for GM Full-Size Vans Nears Completion; PCI Providing the Fuel System

Green Car Congress

General Motors has finalized the production process for its Compressed Natural Gas (CNG)-powered Chevrolet Express and GMC Savana full-size vans, allowing the company to deliver fleet customers complete vehicles with a fully integrated and dedicated CNG fuel system starting this fall. Earlier post.).

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NaturalDrive obtains MY 2011 California and EPA Certification for CNG vans; proprietary calibrations integrated into GM OEM program

Green Car Congress

NaturalDrive has obtained model year 2011 certification from the California Air Resources Board (CARB) and the US Environmental Protection Agency (EPA) for its dedicated compressed natural gas (CNG) alternative fuel system for General Motors full-size vans. Earlier post.).

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