Transportation remains the leading and growing source of GHG and harmful air pollutant emissions in the U.S. Many leading businesses and their investors are especially curious about the transition to electric vehicles, recognizing a huge opportunity to make progress on their own sustainability goals, while saving money on gas and maintenance—estimated cumulative net fleet savings, including purchase costs, fuel and maintenance expenses would be $5.8b by 2050. However, the availability of electric commercial trucks has been slow to develop. Colorado is considering innovative policies that would bring clean trucks to Colorado: Advanced Clean Trucks (ACT) and the Heavy-Duty Omnibus (HDO) rules. With no equivalent federal policy for zero-emission trucks, the states that adopt these rules will be first in line to access an increasing number of clean truck models from manufacturers.