SCI 207: Age of Oil, environmental science homework help

As you know, our world is heavily dependent on oil. Based on the concern that we may be running out of oil, describe at least two renewable alternatives to oil that are currently available and discuss the barriers that keep these alternatives from replacing oil as our primary means of energy. Do not discuss other fossil fuels or nuclear energy, which are all nonrenewable sources. Additionally, discuss the role that government plays in ensuring a transition to these renewable alternatives in a post peak-oil world.

Post should be at least 250 words in length. Utilize at least two scholarly or reputable resources to support your claims. Cite your sources in APA format. Quoted text should constitute no more than ten percent of your post.