Phase 2 of the EPA and NHTSA Greenhouse Gas Emissions regulations will change the way fleets spec heavy trucks. The rule calls for a reduction in carbon emissions, or a boost to fuel economy, of 25% by 2027. Dr. Mihai Dorobantu, the Eaton Vehicle Group’s director of Technology Planning and Government Affairs, joins us to explain some of the advanced technologies we’ll need to meet the requirements, and how they work.