Energy & Environmental Technologies BPEI > Services > Engineering > Energy & Environmental Technologies All Services Engineering Boiler & Cogeneration Systems Energy & Environmental Technologies Electrical Design & Control Systems Operations & Maintenance Material Handling Systems Mechanical Design & Drafting Project Management System Design Field Service Subcontractor Management Operator Training Engineering of emission controls, waste heat recovery systems and carbon re-feed systems Energy studies, fuel efficiency improvements Scrubber and electrostatic precipitator performance and evaluation Environmental code compliance