Then we can optimize the load of every boiler in the light of the total vapour and have the least fuel consumption.

然后根据这一总新蒸汽负荷优化分配各台锅炉的负荷，使总燃料消耗量最低。

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Consumption is the total amount of fuel consumed expressed in gallons per hour.

消耗量就是以每小时加仑表示的所耗费的燃料总数。

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Presently, natural gas used as transportation fuel constitutes only about 0.1 % of total U.S. consumption.

FORBES: Tough Trucking For Natural Gas Vehicles: Can They Make It In The Long Haul?

So that is a 28% reduction in gasoline consumption with a supply of ethanol equalling only 5% of the total fuel supply.

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By making our homes more efficient and conserving on automotive fuel use, we could theoretically save 40 percent or more on our total energy consumption.

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