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Energy and global warming
Energy and global warming
Reducing emissions is a matter of humanity's survival.
But...the existing conversion processes of a large part of the uses we make of energy today are very inefficient. Two examples:
* Gasoline, ethanol and diesel vehicles which account for the Brazilian fleet, convert only 20% of the chemical energy contained in the fuel into motion.
* Thermal power plants ) that produce electricity have an efficiency of from 30% (open cycle) to 50% (combined cycle). and account for 30% of the country's power matrix.
It is high time to plan a new stage, focusing on hydroelectric generation associated with reservoirs, distributed (renewable) generation and electrical vehicles (80% efficiency)..
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