But what makes this fund unique is its concentration in EV stocks, and its emphasis on North America. However, favorable U.S. government policy, most notably the tax credits and funding available from the Inflation Reduction Act (IRA), is a catalyst that could spark a renewed interest in clean energy. An investment in decarbonization The First Trust Nasdaq Clean Edge Green Energy Index Fund is big in its own right, with $1.7 billion in net assets.