Life of Fred Hall A Public Figure in Smog Quest
Fred Hall a veteran engineer and inventor has a war history and dozens of patents. He worked for Standard Oil of California and later joined the Bay Area Air Pollution Control District. Hall promoted a cheap fuel purification device to reduce hydrocarbon emissions but says Detroit car makers rejected it for power reasons. Now with Phase Two of California’s air plan in view he works on dynamic olfactometry to measure odors for inspectors.