I am wondering what specific major I should pursue if I want to get involved in developing alternative fuel vehicles? I know it should be some kind of engineering, most likely biological, biochemical, or chemical. I am not totally sure and would really appreciate an answer so I can go ahead and start getting exactly what classes I will need.
Chemist. here you will learn all the needed content in making an alternative fuel.
You don’t need to be a mechanical engineer because you can read those stuff through books and dissect your car for actual application.
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Mechanical engineering. Accept no substitutes. They’ll teach you mechanisms, statics and dynamics, heat transfer and thermodynamics (the most important part of any of this,) vibration analysis, properties of materials, tribology (friction and lubrication) and properties of fuels. Then you can take courses in electric circuits, basic chemical engineering, and more specialized stuff like combustion, fluid flow, and everything else you need to know to design a motor vehicle that actually works.