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  2. Fuel economy in aircraft - Wikipedia

    en.wikipedia.org/wiki/Fuel_economy_in_aircraft

    Concorde, a supersonic transport, managed about 17 passenger-miles to the Imperial gallon, which is 16.7 L/100 km per passenger; similar to a business jet, but much worse than a subsonic turbofan aircraft. Airbus states a fuel rate consumption of their A380 at less than 3 L/100 km per passenger (78 passenger-miles per US gallon). [52]

  3. Environmental impact of aviation - Wikipedia

    en.wikipedia.org/wiki/Environmental_impact_of...

    while air traffic should grow by 1.4% per year between 2018 and 2050. [72] The initiative is led by ACI Europe, ASD Europe, A4E, CANSO and ERA. [72] This would apply to flights within and departing the European single market and the UK. [72] In October 2021, the IATA committed to net-zero carbon emissions by 2050. [73]

  4. Environmental policy of the first Donald Trump administration

    en.wikipedia.org/wiki/Environmental_policy_of...

    The Obama administration 2012 fuel economy plan called for a doubling in fuel economy for new cars and light trucks, to more than 50 miles per US gallon (4.7 L/100 km; 60 mpg ‑imp) by 2025, equivalent to a real-world average of 36 miles per US gallon (6.5 L/100 km; 43 mpg ‑imp). In April 2018, saying "those standards are inappropriate and ...

  5. Keystone Pipeline - Wikipedia

    en.wikipedia.org/wiki/Keystone_Pipeline

    Additional phases (III, completed in 2014, and IV, rejected in 2015) have been in construction or discussion since 2011. If completed, the Keystone XL would have added 510,000 barrels (81,000 m 3) per day increasing the total capacity up to 1.1 million barrels (170,000 m 3) per day. [30] The original Keystone Pipeline cost US$5.2 billion.

  6. Hanford Site - Wikipedia

    en.wikipedia.org/wiki/Hanford_Site

    The DOE later found water intruding into at least 14 single-shell tanks and that one of them had been leaking about 640 US gallons (2,400 L) per year into the ground since about 2010. In 2012, the DOE also discovered a leak from a double-shell tank caused by construction flaws and corrosion in the tank's bottom, and that twelve other double ...

  7. Cooling tower - Wikipedia

    en.wikipedia.org/wiki/Cooling_tower

    This equivalent ton is defined as the heat rejection in cooling 3 US gallons per minute (11 litres per minute) or 1,500 pounds per hour (680 kg/h) of water by 10 °F (5.6 °C), which amounts to 15,000 British thermal units per hour (4.4 kW), assuming a chiller coefficient of performance (COP) of 4.0. [14]

  8. Engine efficiency - Wikipedia

    en.wikipedia.org/wiki/Engine_efficiency

    A gasoline engine burns a mix of gasoline and air, consisting of a range of about twelve to eighteen parts (by weight) of air to one part of fuel (by weight). A mixture with a 14.7:1 air/fuel ratio is stoichiometric, that is when burned, 100% of the fuel and the oxygen are consumed.

  9. Oil tanker - Wikipedia

    en.wikipedia.org/wiki/Oil_tanker

    [4] [5] Second only to pipelines in terms of efficiency, [5] the average cost of transport of crude oil by tanker amounts to only US$5 to $8 per cubic metre ($0.02 to $0.03 per US gallon). [5] Some specialized types of oil tankers have evolved. One of these is the naval replenishment oiler, a tanker which can fuel a moving vessel.

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