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*Independent tests performed at Millbrook Proving Ground Ltd., UK:
• Compared the performance in heavy-duty vehicles of Esso™ unadditised diesel with Esso Diesel Efficient™ fuel
• Used third-party customer trucks (Euro III and Euro V specifications)
• Covered approximately 110,000 miles/177,000 km
• Five months of normal daily on-road operations (motorway, rural, and urban environments)
• Took trucks out of service periodically for lab testing
• Test results range of 2.1% to 3.4% lower fuel consumption
Millbrook has expertise in automotive, test, and propulsion technologies and remain pioneers in low carbon development. (ISO Certification - ISO 17025, ISO 9001 and ISO 14001.)
Esso Diesel Efficient™ fuel claims are based on internal and third-party vehicle engine testing, laboratory testing, and/or industry or other scientific literature. Basis for comparison for all claims is versus Esso™ unadditised diesel. Vehicle type, engine type, driving behaviour, and other factors also impact fuel and vehicle performance, emissions, and fuel economy. Esso Diesel Efficient™ fuel may be used in all heavy-duty and light-duty vehicles, but results may vary. Fuel economy testing was performed in the UK using on-road trucks.