Welcome to the forum!
Look around here and get a feel for what is available. There are many different ways to power a bike.
I hope that you enjoy this place!
Don't hesitate to ask any questions you may have. There are many knowledgeable folks here who can help.
P.S. Read the welcome threads and the beginner's threads. I bet that they will answer alot of the questions you have before you knew you had them.