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2. Energy in Ohio - Wikipedia

   en.wikipedia.org/wiki/Energy_in_Ohio

   The energy sector of Ohio consists of thousands of companies and cities representing the oil, natural gas, coal, solar, wind energy, fuel cell, biofuel, geothermal, hydroelectric, and other related industries. Oil and natural gas accounts for $3.1 billion annually in sales while ethanol generates $750 million.

3. Energy in the United States - Wikipedia

   en.wikipedia.org/wiki/Energy_in_the_United_States

   US energy consumption in 2023 [1] Energy in the United States is obtained from a diverse portfolio of sources, although the majority came from fossil fuels in 2023, as 43.1% of the nation's energy originated from natural gas, 16.2% from coal, and 0.8% from petroleum.

4. Engine efficiency - Wikipedia

   en.wikipedia.org/wiki/Engine_efficiency

   They determined that the cost of a ton of oil fuel used in steam engines was $5.04 and yielded 20.37 train miles system wide on average. Diesel fuel cost $11.61 but produced 133.13 train miles per ton. In effect, diesels ran six times as far as steamers utilizing fuel that cost only twice as much.

5. Fuel efficiency - Wikipedia

   en.wikipedia.org/wiki/Fuel_efficiency

   The inverse of the energy efficiency in transport is the energy consumption in transport. Energy efficiency in transport is often described in terms of fuel consumption, fuel consumption being the reciprocal of fuel economy. [10] Nonetheless, fuel consumption is linked with a means of propulsion which uses liquid fuels, whilst energy efficiency ...

6. World energy resources - Wikipedia

   en.wikipedia.org/wiki/World_energy_resources

   Renewable energy sources are even larger than the traditional fossil fuels and in theory can easily supply the world's energy needs. 89 PW [32] of solar power falls on the planet's surface. While it is not possible to capture all, or even most, of this energy, capturing less than 0.02% would be enough to meet the current energy needs.

7. World energy supply and consumption - Wikipedia

   en.wikipedia.org/wiki/World_energy_supply_and...

   Global energy consumption, measured in exajoules per year: Coal, oil, and natural gas remain the primary global energy sources even as renewables have begun rapidly increasing. [1] Primary energy consumption by source (worldwide) from 1965 to 2020 [2] World energy supply and consumption refers to the global supply of energy resources and its ...