Zenn Motor Company's ZENN car stands for zero emissions, no noise. And that's exactly what it delivers. The earth-friendly neighborhood electric vehicle, which tops out at just 25 mph, is a viable and increasingly popular alternative to gasoline-powered low speed vehicles.

Google, the world's most popular online search engine, doesn't seem like the kind of company that would be interested in automotive development. But then again, Google has a history of surprising us with interesting - if not revolutionary - pet projects.

The RechargeIT initiative may be one such project. It is part of Google.org - Google's self proclaimed "philanthropic arm." The overall goal of the RechargeIT initiative is to reduce emissions of greenhouse gases associated with global warming (mainly CO2), promote renewable energy sources, reduce reliance on foreign oil, and push forward the adoption of plug-in hybrids ("plug-ins") and vehicle-to-grid ("V2G") technologies.

Mitsubishi is currently developing an electric-powered production version of its i minicar. The vehicle will use Mitsubishi's in-wheel motor technology, MIEV (Mitsubishi In-wheel motor Electric Vehicle), and lithium-ion battery packs. 

Like GM and Toyota, Mitsubishi is currently trying to improve their lithium-ion batteries, which tend to overheat. The i prototype will have two charging outlets: one for use at electric stations for quick charging, and one for home for full-length recharges.

Phoenix Motorcars, like a number of smaller automakers and recent auto start-ups, has recently taken a bold step toward going green. The company recently showcased their 2008-model plug-in electric SUV to shareholders at the Grand Sierra Resort in Reno.

Although not as sleek or refined as one might hope, the new lithium-powered superbike by Lightning Motors is making progress. The newest prototype, with 28 lithium batteries stuffed underneath, can go from 0-60 in about 3 seconds, top out at around 100 mph, and crank out 70 horsepower.