The energy crisis led to greater interest in renewable energy, nuclear power and domestic fossil fuels. According to Peter Grossman, American energy policies since the crisis have been dominated by crisis-mentality thinking, promoting expensive quick fixes and single-shot solutions that ignore market and technology realities. He wrote that instead of providing stable rules that support basic research while leaving plenty of scope for entrepreneurship and innovation, Congresses and presidents have repeatedly backed policies which promise solutions that are politically expedient, but whose prospects are doubtful.