Questions tagged [fuel-efficiency]
Reducing the amount of fuel used to accomplish a given amount of work, such as in a vehicle or generator.
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Are electric cars as environmentally friendly as we think they are?
Given the fact that the average lifetime for a car battery is 3 years and all of the batteries end up at a landfill at the end of their lifetime, how sustainable are electric cars in providing a ...
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How effective is turning a car's engine off while standing at a traffic light?
I know some countries enforce having cars automatically shut down the engine when stopping at a traffic light.
How much resources are really saved by this process?
Does the car need to be ...
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When does using a car's start-stop system become more economical?
In this question it was asked how economic it is to turn your car's engine off when waiting for a traffic light. In the accepted answer it is said that it becomes more economical to turn it off if you ...
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Propane vs. Electric vs. Heat Pump
Is there a relatively reliable way to figure out what energy source to go with when upgrading appliances?
We need a new hot water heater, for starters. Our current one is propane. Options include ...
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Is it better to use propane or natural gas as a heating fuel?
Given the choice to adjust a new furnace to either propane or natural gas (?), is one less unsustainable than the other?