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EV

Evolution of Engines for Transportation Evolution of Engines for Transportation Since the two gentlemen from Germany, Mr.Otto and Mr.Diesel have invented gasoline and diesel ICE (internal combustion engine) in late 1980s, the engines have improved themselves by adapting multi-steps evolutionary technologies, but the basic principle of the engines has not been changed. With the help of a couple of oil shock and the fear of fossil fuel .. 더보기
Era of Electric Vehicle (1) Does EV come to us ? Should we move to this direction ? Or shall we wait a couple of decades ? For the CEOs or top managers of automotive manufacturers, these questions are most important and complexed questions to be answered nowadays. To invest huge amount of money for the EV is not a simple decision at all. Of course, a decision not to invest and stay in ICE structure is not an easy one eithe.. 더보기
What happens when EV comes ? (1) The biggest change will be the power-train. The combination of the traditional powertrain, internal combustion engine and transmisssion, will be disappered and electric motor will take the position of the heart of EV. This powertrain change is really the most important one, all the other changes are the changes which supports this major change. The electric motors has very strong start-up torque.. 더보기
Battery for Electric Vehicle Now let's have deeper view on batteries for electrical vehicles specially as a possible replacement for fossil fuel. Then we can probably have the insight whether this battery can really replace fossil fuel or not. Regardless of the types, the fule used for road vehicles should have some inevitable characteristics, high energy density and quich recharge time. History of Battery The figurs below .. 더보기