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    ChevronTexaco Meets New "TOP TIER Detergent Gasoline" Specifications

    Program establishes standards for detergency levels in fuel.

    SAN RAMON, Calif. -- ChevronTexaco Products Co. has become the first U.S. gasoline marketer to have its gasolines approved as meeting new performance criteria set by BMW, General Motors, Honda and Toyota for "TOP TIER Detergent Gasoline."

    The program, which establishes criteria for detergency levels in gasoline higher than those currently set by the Environmental Protection Agency (EPA), sets new requirements for the design of gasolines that will keep engine parts cleaner by reducing fuel-related deposits, resulting in better performance.

    "We're proud to be the first marketer to meet the new 'TOP TIER Detergent Gasoline' performance criteria," said Shariq Yosufzai, president, ChevronTexaco Global Marketing. "We commend the automakers for raising the bar on fuel performance and recognizing that higher-performing fuels can provide long-term benefits to motorists."

    All grades of Chevron gasoline with the Techron gasoline additive meet the new "TOP TIER Detergent Gasoline" criteria.

    "ChevronTexaco has long focused on providing fuels that minimize deposits on vital engine parts," said Danny Roden, ChevronTexaco vice president for North America marketing. "Not only does Chevron with Techron help keep critical engine parts clean, it actually cleans up deposits left by gasolines with lower-quality additive packages."

    Some fuels with lower-quality additive packages can build up deposits on fuel injectors and on intake valves. Others can build up deposits in combustion chambers and may lead to intake valves sticking. These problems can have negative impacts on engine performance and vehicle responsiveness.

    Auto manufacturers prefer to use high-performing gasolines in their test vehicles. For example, leading U.S. automakers have been using Chevron gasolines to help them demonstrate compliance with the EPA's stringent 50,000-mile, and now 100,000-mile, emissions system durability requirements for the past 30 years.

    All gasoline sold at Chevron-branded stations use ChevronTexaco's proprietary gasoline additive Techron, which is added to gasoline at marketing terminals strategically located around the country. The additive consists of a mixture of compounds that fight deposits in an engine's intake system while not contributing to combustion chamber deposits.

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