Prime example of using data/paper references to deliberately misconstrue understanding:
http://www.newyorker.com/online/blogs/currency/2013/10/why-electric-vehicles-have-stalled.html
Sure petrol releases half as much CO2 than the electric grid, (direct energy - e.g. burning petrol or coal) not including the LCA stuff for mining, obtaining and transporting the fuels or energy (transmission grids).
But petrol engines are around 20% efficient but with electric transmission and electric motors like Tesla's car, they have an efficiency of about 90% - that's around 4* as much, meaning even with coal-burning electricity generation, you're only releasing half as much CO2 per energy to the wheels with electricity than petrol. And with green power or nuclear, you can drastically reduce CO2 output, so transferring the fuel into energy is best done en-masse, instead of inside everyone's individual car 'generators' =P
Also nice link about dependencies, which relates to last post's project release: Ubuntu chapter 8 on dependences! =)
http://blog.martin-graesslin.com/blog/2013/10/how-code-flows-about-upstream-and-downstream/
http://www.newyorker.com/online/blogs/currency/2013/10/why-electric-vehicles-have-stalled.html
Sure petrol releases half as much CO2 than the electric grid, (direct energy - e.g. burning petrol or coal) not including the LCA stuff for mining, obtaining and transporting the fuels or energy (transmission grids).
But petrol engines are around 20% efficient but with electric transmission and electric motors like Tesla's car, they have an efficiency of about 90% - that's around 4* as much, meaning even with coal-burning electricity generation, you're only releasing half as much CO2 per energy to the wheels with electricity than petrol. And with green power or nuclear, you can drastically reduce CO2 output, so transferring the fuel into energy is best done en-masse, instead of inside everyone's individual car 'generators' =P
Also nice link about dependencies, which relates to last post's project release: Ubuntu chapter 8 on dependences! =)
http://blog.martin-graesslin.com/blog/2013/10/how-code-flows-about-upstream-and-downstream/
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