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Alternative fuels, also known as non-conventional and advanced fuels, [1] are fuels derived from sources other than petroleum. [2] Alternative fuels include gaseous fossil fuels like propane, natural gas, methane, and ammonia; biofuels like biodiesel, bioalcohol, and refuse-derived fuel; and other renewable fuels like hydrogen and electricity. [3]
The attendant wears a full hazmat suit due to the hazards of the hypergolic fuel hydrazine, here being loaded onto the MESSENGER space probe. A hypergolic propellant is a rocket propellant combination used in a rocket engine, whose components spontaneously ignite when they come into contact with each other.
1.10 1889 F 2:O 2 70:30 RP-1: 3377 3.84 4361 1.20 2106 3955 3.84 4361 1.20 2104 F 2:O 2 87.8:12.2 MMH: 3525 2.82 4454 1.24 2191 4148 2.83 4453 1.23 2186 Oxidizer Fuel Comment V e r T c d C* V e r T c d C* N 2 F 4: CH 4: 3127 6.44 3705 1.15 1917 3692 6.51 3707 1.15 1915 C 2 H 4: 3035 3.67 3741 1.13 1844 3612 3.71 3743 1.14 1843 MMH: 3163 3.35 ...
This article contains the lift launch systems constructed by some solid fuel stages except the final stage. All stages solid fueled ... 1 17 40 1979 1983
Methanol fuel is an alternative biofuel for internal combustion and other engines, either in combination with gasoline or independently. Methanol (CH 3 OH) is less expensive to sustainably produce than ethanol fuel , although it is more toxic than ethanol and has a lower energy density than gasoline .
In free and open-source software (FOSS) development communities, a forge is a web-based collaborative software platform for both developing and sharing computer applications. For software developers it is an online service to host the tools they need to work and communicate with their coworkers.
Alcohol, alcohol mixtures, and other alternative fuels may be used experimentally, but alcohol is not permitted in any certified aviation fuel specification. [20] In Brazil, the Embraer Ipanema EMB-202A is a version of the Ipanema agricultural aircraft with a modified Lycoming IO-540-K1J5 engine so as to be able to run on ethanol .
The USAF, which is the United States military's largest user of fuel, began exploring alternative fuel sources in 1999. On December 15, 2006, a B-52 took off from Edwards Air Force Base for the first time powered solely by a 50–50 blend of JP-8 and Syntroleum's FT fuel.