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2. Gasoline gallon equivalent - Wikipedia

   en.wikipedia.org/wiki/Gasoline_gallon_equivalent

   A diesel cycle engine can be as much as 40% to 50% efficient at converting fuel into work, [2] where a typical automotive gasoline engine's efficiency is about 25% to 30%. [ 3 ] [ 4 ] In general, an engine is designed to run on a single fuel source and substituting one fuel for another may affect the thermal efficiency.

3. Microturbine - Wikipedia

   en.wikipedia.org/wiki/Microturbine

   Gas turbines accept most commercial fuels, such as petrol, natural gas, propane, diesel fuel, and kerosene as well as renewable fuels such as E85, biodiesel and biogas. Starting on kerosene or diesel can require a more volatile product such as propane gas. Microturbines can use micro-combustion. Full-size gas turbines often use ball bearings.

4. Power plant efficiency - Wikipedia

   en.wikipedia.org/wiki/Power_plant_efficiency

   To express the efficiency of a generator or power plant as a percentage, invert the value if dimensionless notation or same unit are used. For example: A heat rate value of 5 gives an efficiency factor of 20%. A heat rate value of 2 kWh/kWh gives an efficiency factor of 50%. A heat rate value of 4 MJ/MJ gives an efficiency factor of 25%.

5. Gas-fired power plant - Wikipedia

   en.wikipedia.org/wiki/Gas-fired_power_plant

   Gas turbines can be particularly efficient when waste heat from the turbine is recovered by a heat recovery steam generator (HRSG) to power a conventional steam turbine in a combined cycle configuration. [3] The 605 MW General Electric 9HA achieved a 62.22% efficiency rate with temperatures as high as 1,540 °C (2,800 °F). [4]

6. Miles per gallon gasoline equivalent - Wikipedia

   en.wikipedia.org/wiki/Miles_per_gallon_gasoline...

   AMFA specifies the energy content of 100 cubic feet of natural gas to be equal to 0.823 gallons-equivalent of natural gas, and the gallon equivalency of natural gas is considered to have a fuel content, similar to that for alcohol fuels, equal to 0.15 gallons of fuel.

7. Fossil fuel power station - Wikipedia

   en.wikipedia.org/wiki/Fossil_fuel_power_station

   Typical thermal efficiency for utility-scale electrical generators is around 37% for coal and oil-fired plants, [7] and 56 – 60% (LEV) for combined-cycle gas-fired plants. Plants designed to achieve peak efficiency while operating at capacity will be less efficient when operating off-design (i.e. temperatures too low.) [8]