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lean-burn
adjective
- (esp of an internal-combustion engine) designed to use a lean mixture of fuel and air in order to reduce petrol consumption and exhaust emissions
Example Sentences
Saudi Aramco has teamed up with major automakers, like Hyundai, to develop an “ultra lean-burn” fuel for hybrid gas-electric vehicles that would still use petroleum.
Worryingly, modern energy-efficient lean-burn engines may be more susceptible, Herbert Puempel, an aviation expert at the World Meteorological Organization, warned in the group’s journal.
Once the car’s started and warmed up a little, however, the second mode engages a lean-burn strategy in a more efficient mode that can be used when accelerating or in normal driving.
The credit included the advanced lean-burn technology motor vehicle credit, which was available to buyers of qualifying vehicles that were certified by manufacturers as meeting certain emissions standards.
The upgrade included adding a lean-burn feedback system, renowned for its efficiency in maximizing horsepower at the same time it keeps fuel flow to a minimum.
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