Because why wouldn't you? We have the ability to work towards a healthier planet and environment so why wouldn't you?
Is there any reason not to? As a world power, America should be working towards making the nation environmentally sustainable.
Not if it's made from deforestation diesel though
the government shouldn't be involved in this. if the truck manufacturers want to produce these trucks then that is what will be used. subsidies for one kind of product over another is bad for the market as a whole. not to mention the non existent problem of "climate change."