See Candidate Page Julián Castro, Clean Energy, Iowa Castro in Iowa 8/22/19 We don’t have to choose between protecting our planet and creating great jobs in the clean energy economy. We can do both. In Newton, Iowa, @TPI_Composites is the largest employer, creating good-paying jobs in the #cleanenergy sector. https://t.co/puSSWCEMJW— Julián Castro (@JulianCastro) August 22, 2019