example was up about 30 percent to around 52 in the afternoon practically double where it was a month ago while sunedison whose stock has languished below 10 since september had climbed roughly 30 percent to above 6the production tax credit for wind which had expired at the end of 2014 and helped bring the cost of wind power near or below that of conventional fuels in many parts of the country is to be extended retroactively until the end of next year and then decline in value each year until it is phased out in 2020 the investment tax credit for solar which was to decrease to 10 percent from 30 percent at the end of next year is to stay at 30 percent until 2019 and then gradually step down until 2022energy policy experts said that the agreement allowed republicans and democrats to claim victory but was also a sign that the transition to a lowercarbon economy promised in the paris climate talks was already an industry realityextending the wind and solar tax credits for the rest of the decade allows the white house to say they have provided businesses certainty to expand renewable investment said paul bledsoe a former senate finance committee staff member and clinton administration climate official republicans can now say they phased down the renewable energy tax credits to zero in five years ending subsidies many of them opposed but energy experts said it was the repeal of the oil export ban that carried the most symbolic weight they noted that conditions in the global oil markets could change suddenly at any time given the instability of north africa the middle east and in other major producing countries like venezuela and nigeria american oil on world markets could serve as a buffer for future shockslifting the ban they said sends a telling message to president vladimir v putin of russia that the united states can push for stronger sanctions against russian oil without jeopardizing the economies of countries that buy its oil especially in europe it also means that if iran does not comply with its nuclear agreement and sanctions are snapped back iranian customers like india and japan can look to the united states as an important new oil sourcethe us crude oil export ban is the symbolic manifestation of the historical trauma of americas experience of the 1973 oil embargo said amy myers jaffe executive director of energy and sustainability at the university of california davis taking this law off the books reflects the new reality of americas energy powerthe repeal would have been unthinkable only a few years ago when domestic production fell year after year until the shale revolution took hold in 2007 and 2008 using hydraulic fracturing to blast through hard rocks with water sand and chemicals the industry began to produce in fields that had been largely worthless oil production nearly doubled by early this year to more than nine million barrels a day replacing most imports from