Auto gas tanks: the great barrier grief.

Plastics Technology, May, 1992 by Schut, Jan H.

Makers of plastic gas tanks face new rules and new fuels. They need new barriers with near zero emissions to fight a resurgence of steel tanks. Here's a look at how far barrier technologies have come and how far they have to go.

Plastics processors and materials suppliers have been understandably flapped about gas tanks. Following Europe's early lead, plastic tanks in the U.S. were expected to have grown by leaps and bounds from about 20%, or some 2.3 million, of all new car tanks at present to 50% by 1995. In Europe, 60% of all cars have plastic tanks now, and that number is expected to go to 90% by '95.

But now all bets appear to be off in the U.S. for the '95 model year and beyond. General Motors Corp. and Ford Motor Co. both recently switched some '95...

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