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Last September, Erin Brockovich raved about a product called the Zero Emission Fuel Saver, or ZEFS (see our earlier post here) and all of our readers were highly skeptical, and offered proof that these magnetic tailpipe reduction devices did work as well as advertised.

The annual SEMA Show in Las Vegas is best known for speed-burning, hot-rod customs and plenty of outrageous gas-guzzling trucks and SUVs. Fuel economy was never an issue in the 21 years I have covered this show. This has changed, be it ever so slightly, for the 40th anniversary of the show, which officially opens this morning. While I haven't spotted a Prius yet, it's still early and there are more than 2,000 vehicles on display. I have seen a few of the more popular gas-miser compacts such as t

Famed environmental bulldog Erin Brockovich who also acts as vice president of environmental affairs at Save the World Air Inc. (STWA) will be showing off two of the company's emissions reducing and fuel saving product lines at this year's Specialty Equipment Market Association(SEMA) show.