The epa is basically dictating they go this route, if Toyota is to stay competitive, or ahead of other manufactures just as the epa has done to the power sports industry, making all manufactures build 4 strokes instead of 2 strokes.....same for power equipment tools. Now it's cordless using batteries.
The issue I see whether we like it, or not, were being force to accept it, or your sol. Government knows we need our vehicles to earn a living.