Fossil fuel piece of work is the prime number elbow grease of global warming together with sea acidification. Then the obvious solution to that occupation is that:
- Either around way is constitute out to piece of work fossil fuels, only non permit the resulting CO2 escape to the atmosphere, inwards other words to sequester (catch/lock up) the CO2 , or
- To uncovering other fuels which produce non issue CO2 (or other greenhouse gases)
Renewable Energy Sources: The Great Green Hope
The globe is trying both the options. The sequestration of CO2 is real much possible theoretically, it is every bit of at 1 time uneconomical. Moreover, quantities of CO2 that must move sequestered is together with then huge that in that location is no way to shop it without serious risks to surround together with populace safety.
Realizing the limitations of sequestering fossil fuel CO2, cracking promise has been pinned on the renewable issue energy sources. The twelvemonth 2008 has seen to a greater extent than funds to move allocated globally to renewable – based ability generation than always before. The twelvemonth every bit good witnessed renewables getting higher percentage of funds than conventional issue energy sources for the showtime fourth dimension ever.
How tough it is to uncovering replacement which volition move every bit efficient every bit petrol together with diesel, together with withal move non-polluting, tin move gauged from figure below. It exhibit sec that the volumetric issue energy density, inwards other words issue energy packed inwards each liter of diesel fuel is every bit much every bit double of that of ethanol together with 3 times higher than liquid hydrogen. Petrol is to a greater extent than energy-dense than bio-diesel; every bit good ethanol, hydrogen, etc. This way that if vehicles are to move run on liquid hydrogen- which is ultimate aim of close of the R&D- they accept to accept their tanks 3 times larger than what they were for the diesel fuel engine. To position inwards other words, fifty-fifty if nosotros succeed inwards finding fuels which are cleaner than petrol together with diesel, nosotros accept trivial promise of finding fuels which are every bit efficient every bit the twoRenewable Energy Sources: The Great Green Hope
Fossil fuel piece of work is the prime number elbow grease of global warming together with sea acidification. Then the obvious solution to that occupation is that:
Either around way is constitute out to piece of work fossil fuels, only non permit the resulting CO2 escape to the atmosphere, inwards other words to sequester (catch/lock up) the CO2 , or
To uncovering other fuels which produce non issue CO2 (or other greenhouse gases)
The globe is trying both the options. The sequestration of CO2 is real much possible theoretically, it is every bit of at 1 time uneconomical. Moreover, quantities of CO2 that must move sequestered is together with then huge that in that location is no way to shop it without serious risks to surround together with populace safety.
Realizing the limitations of sequestering fossil fuel CO2, cracking promise has been pinned on the renewable issue energy sources. The twelvemonth 2008 has seen to a greater extent than funds to move allocated globally to renewable – based ability generation than always before. The twelvemonth every bit good witnessed renewables getting higher percentage of funds than conventional issue energy sources for the showtime fourth dimension ever.
How tough it is to uncovering replacement which volition move every bit efficient every bit petrol together with diesel, together with withal move non-polluting, tin move gauged from figure below. It exhibit sec that the volumetric issue energy density, inwards other words issue energy packed inwards each liter of diesel fuel is every bit much every bit double of that of ethanol together with 3 times higher than liquid hydrogen. Petrol is to a greater extent than energy-dense than bio-diesel; every bit good ethanol, hydrogen, etc. This way that if vehicles are to move run on liquid hydrogen- which is ultimate aim of close of the R&D- they accept to accept their tanks 3 times larger than what they were for the diesel fuel engine. To position inwards other words, fifty-fifty if nosotros succeed inwards finding fuels which are cleaner than petrol together with diesel, nosotros accept trivial promise of finding fuels which are every bit efficient every bit the two.
Sumber http://mechanicalinventions.blogspot.com
Figure: Fuel together with Power Sources
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