new york u.s. oil gas industry workers contribute slightly money campaign democrat hillary clinton republican donald trump since two clinch party nominations white house accord reuters review federal disclosures nearly even support suggest ambivalence industry two rival put forward wildly different energy visions trump call drastic reduction regulations bolster drill clinton advocate tough environmental protections renewables employees industry give clinton 114,141 trump 99,302 since july reuters find review individual campaign contributions exceed 200 donations funnel joint fundraise committees officially nominate party mid-july several oil gas industry employees reach reuters say donate candidates energy policies request anonymity cite sensitivity election move disturb nature see trump vision america trade economy national security say american gas association head dave mccurdy contribute clinton campaign add however agree clinton reduce carbon dioxide emissions blame climate change felt natural gas would play role effort association endorse candidate continental resources inc chief executive officer harold hamm contribute repeatedly trump campaign argue favor candidate energy policies hamm say bolster u.s. drill would reduce dependence middle east oil whose proceed say finance terrorist attack continental official respond request comment hamm energy lobbyist base washington say understand industry ambivalence clinton pro-regulation hurt say request anonymity trump record industry evidence understand issue clinton far exceed trump campaign contributions industry employees primaries donations republican side ledger split among much large number candidates democratic side republican primaries industry take early like former florida governor jeb bush give rival combine drop race february oil industry workers split trump clinton