Survey for: Caterpillar Electric Power II (CEPII), taught by Galen Smith - January 11th - 15th, 2021 Survey for: Caterpillar Electric Power II (CEP II), taught by Gene Mendes - January 18th - 22nd, 2021 Survey for: Tier 4 Interim Engine and Aftertreatment, taught by Steve Davies & Joe Rinas - January 25th - 29th, 2021