Many Americans are dependent on their oil. It’s all part of the design of our roads, infrastructure, jobs, etc.

No, it’s all because America ‘needs’ to be competitive with the world on a military level. This means that whatever will make us progress the fastest is the route we’re going to take.

Operating without oil will severely hinder US military progression, which is why we don’t do it. It’s the same reason why no nation does it that has a stake in world affairs. Slowing down to save the environment gives your enemies an advantage.