Fill 'Er Up With Gas Lite

Prodded by air-quality laws, Arco invents a cleaner fuel

If necessity is the mother of invention, the threat of regulation is often its father. Faced with growing government pressure for cleaner automotive fuel, Atlantic Richfield last week became the first U.S. oil company to introduce an unleaded gasoline designed to run effectively in older vehicles that were built to use leaded fuel. The Los Angeles-based company said the new brand, Emission Control-1, will eliminate up to 15% of the pollution caused by cars built before 1975 and trucks from before 1980. While such vehicles represent only 15% of the Los Angeles area's cars and trucks, they produce nearly one-third of...

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