SEOUL -- SK Group, one of South Korea's biggest oil refiners, has a made a cross-border move to grow its hydrogen energy business with an investment in American fuel cell developer Plug Power.
Energy
South Korean conglomerate SK makes big push into hydrogen
Country's leading oil refiner pours $1.5bn into US fuel cell company
SK Group's investment in Plug Power shows the South Korean conglomerate starting to move from fossil fuels to cleaner energy sources. (Photo courtesy of Plug Power)
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