Meanwhile, according to at least some analysts, neither the rising price of oil nor the financial crisis has taken much steam out of investments in 'clean tech,' which attracted $2.2 billion in investments in the first half of 2008 and is expected to account for 11% of total investments. And investing in energy efficiency programs, and renewable energy technology research and development, is increasingly being seen as the best hope for a new industrial revolution that would create millions of jobs and reverse the economic slide.