Lean burn refers to the use of lean mixtures in an internal combustion engine. The air-fuel ratios can be as high as 65:1, so the mixture has considerably less fuel in comparison to the stoichiometric combustion ratio (14.64:1 for petrol for example).
Read more about Lean Burn: Principle, Chrysler Electronic Lean Burn, Heavy-duty Gas Engines, Honda Lean Burn Systems, Toyota Lean Burn Engines, Nissan Lean Burn Engines, Mitsubishi Vertical Vortex (MVV), Diesel Engines
Famous quotes containing the words lean and/or burn:
“Leaves and bark, leaves and bark,
To lean against and hear in the dark.
Petals I may have once pursued.
Leaves are all my darker mood.”
—Robert Frost (1874–1963)
“The mode of clearing and planting is to fell the trees, and burn once what will burn, then cut them up into suitable lengths, roll into heaps, and burn again; then, with a hoe, plant potatoes where you can come at the ground between the stumps and charred logs; for a first crop the ashes suffice for manure, and no hoeing being necessary the first year. In the fall, cut, roll, and burn again, and so on, till the land is cleared; and soon it is ready for grain, and to be laid down.”
—Henry David Thoreau (1817–1862)