The former head of a major U.S. shale driller is eyeing more investments in the energy transition. : (Bloomberg) -- The former head of a major U.S. shale driller is eyeing more investments in the energy transition after his first blank-check company announced a deal to create a $1.15 billion renewable natural gas business. Daniel Rice IV’s Rice Acquisition II special-purpose acquisition company, which filed for a $250 million initial public offering last month, will focus on sustainability and the movement away from fossil fuels.