For constructing a small scale wind turbine which can be used on roof top of houses which is the best material for constructing the turbine or blades keeping in mind...

Still this thing is not used on a commercial basis.... may be it might produce toxic substance or the production cost might be exceeding the cost of the product...

Hello! What about using waste materials of plastics as our future fuels? What are the ways or the processes through which this can be made possible?

Hello Frnds... My name is rishabh.I m pursuin my B.Tech frm NIT Allahabad(if u knw..lol).. Well!!i m in 2nd year.I dont have many ideas abt discipline of engineering...bt yess watever...