Calgary, Alberta – Imperial Oil has announced that all grades of its Esso-branded gasolines carry the Top Tier certification. The Top Tier Detergent Gasoline program was developed by General Motors, BMW, Honda, Toyota, Volkswagen and Audi to recognize fuels that meet standards for cleaning agents to control engine deposits.

“Imperial has always been a leader in the Canadian fuel industry and product quality of Esso-branded fuels is at the heart of our business,” said Simon Smith, vice-president and general manager of fuels marketing. “Now our valued Esso customers have the added assurance of Top Tier certification.”

All grades of Esso-branded gasoline, including Esso Regular, Esso Extra and Esso Supreme, have long contained cleaning agents that exceed government standards, the company said.

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