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Coulomb Technologies to Demonstrate Level 2 SAE J1772 Fast Charge of Tesla

Coulomb Technologies will demonstrate a Level 2 SAE J1772 fast charge of an electric Tesla Roadster on 23 September in Arizona, following a meeting of the Tucson Regional Clean Cities Coalition.

The demonstration is sponsored by the Pima Association of Governments (PAG)’s Clean Cities Program, the City of Tucson, and Coulomb Technologies. The Tesla Roadster has a charge range of 244 miles and goes from 0-60 in 3.9 seconds.

The PAG Regional Council signed a memorandum of understanding with Nissan North America and Scottsdale-based ECOtality Inc. in March to help implement electric vehicle infrastructure in the Tucson region in advance of the late 2010 deployment of Nissan’s all-electric Leaf.


Henry Gibson

With electric demand prices and costs for the equipment, fast charging demonstrations are an excuse to defeat the use of the unlimited range of plug-in-hybrids with small efficient engines. The also serve to frighten the public into believing that the range of battery powered car is a real limitation for ordinary use. A one kilowatt enegine generator will give good range of emergency travel, but five is more than adequate. ..HG..


You should embrace, not fear, new EV technolgy.


Until such times as on-board e-storage units performance increase 5-folds and their price comes down likewise, a small PHEV with an ultra-compact minimum capacity (10 to 20 KWh) on-board genset may be the ideal transition vehicle for most people. Post-lithium batteries may help to reduce the total weight and cost.

On course, people with thicker pocketbook will want much larger/heavier vehicles with 200+ KWh genset and huge battery pack @ $100K+. Tesla & New GM could make those.

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