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  2. Sustainable transport - Wikipedia

    en.wikipedia.org/wiki/Sustainable_transport

    Sustainable transport is transportation sustainable in terms of their social and environmental impacts. Components for evaluating sustainability include the particular vehicles used for road, water or air transport; the source of energy ; and the infrastructure used to accommodate the transport ( roads , railways , airways , waterways , canals ...

  3. Sustainable energy - Wikipedia

    en.wikipedia.org/wiki/Sustainable_energy

    Various projections of future energy use identify solar PV as one of the main sources of energy generation in a sustainable mix. [64] [65] Most components of solar panels can be easily recycled, but this is not always done in the absence of regulation. [66] Panels typically contain heavy metals, so they pose environmental risks if put in ...

  4. Energy efficiency in transport - Wikipedia

    en.wikipedia.org/wiki/Energy_efficiency_in_transport

    The specific energy consumption of the trains worldwide amounts to about 150 kJ/pkm (kilojoule per passenger kilometre) and 150 kJ/tkm (kilojoule per tonne kilometre) (ca. 4.2 kWh/100 pkm and 4.2 kWh/100 tkm) in terms of final energy. Passenger transportation by rail systems requires less energy than by car or plane (one seventh of the energy ...

  5. Alternative fuel - Wikipedia

    en.wikipedia.org/wiki/Alternative_fuel

    Methanol and ethanol fuel are primary sources of energy; they are convenient fuels for storing and transporting energy. These alcohols can be used in internal combustion engines as alternative fuels. Butane has another advantage: it is the only alcohol-based motor fuel that can be transported readily by existing petroleum-product pipeline ...

  6. Low-carbon economy - Wikipedia

    en.wikipedia.org/wiki/Low-carbon_economy

    Progress of current energy transition to renewable energy: Fossil fuels such as coal, oil, and natural gas still remain the world's primary energy sources, even as renewables are increasing in use. [28] An energy transition (or energy system transformation) is a major structural change to energy supply and consumption in an energy system.

  7. Health and environmental impact of transport - Wikipedia

    en.wikipedia.org/wiki/Health_and_environmental...

    The road haulage industry is contributing around 20% of the UK's total carbon emissions a year, with only the energy industry having a larger contribution, at around 39%. Road haulage is a significant consumer of fossil fuels and associated carbon emissions – HGV vehicles account for almost 20 percent of total emissions. [35]

  8. Green vehicle - Wikipedia

    en.wikipedia.org/wiki/Green_vehicle

    Green vehicles include vehicles types that function fully or partly on alternative energy sources other than fossil fuel or less carbon-intensive than gasoline or diesel. Another option is the use of alternative fuel composition in conventional fossil fuel-based vehicles, making them function partially on renewable energy sources.

  9. Carbon-neutral fuel - Wikipedia

    en.wikipedia.org/wiki/Carbon-neutral_fuel

    The fuel, often referred to as electrofuel, stores the energy that was used in the production of the hydrogen. [11] Hydrogen fuel is typically prepared by the electrolysis of water in a power to gas process. To minimize emissions, the electricity is produced using a low-emission energy source such as wind, solar, or nuclear power. [12]

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