Since environmental issues are becoming increasingly salient in the political arena, the subject of alternative energy subsidies warrants some attention. Currently, Congress is deciding whether or not to extend the Production Tax Credit (PTC), a 20-year subsidy which is responsible for most of the growth in the wind sector. The American Wind Energy Association (AWEA) has exerted considerable political pressure on legislators, both state and federal, in order to garner support for the extension of this subsidy.