The nuclear industry, including in the position of scientist, engineer, technician, mathematician, or security personnel. (K) The oil and gas industry, including in the position of scientist, engineer, technician, mathematician, petrochemical engineer, or geologist. (L) The coal industry, including in the position of coal miner, engineer, developer and manufacturer of state-of-the-art coal facilities, technology vendor, coal transportation worker or operator, or mining equipment vendor. 4. Energy workforce grant program (a) Definitions In this section: (1) Eligible entity The term eligible entity means a business or labor management organization that— (A) (i) is directly involved with energy efficiency, renewable energy technology, or reduction in greenhouse gas emissions, as determined by the Secretary