There's solutions out there but it's a chicken and egg problem. They're more expensive because of low quantities because nobody wants to commit to them, but if

There's solutions out there but it's a chicken and egg problem. They're more expensive because of low quantities because nobody wants to commit to them, but if the industry as a whole would switch them you'd have economy of scale to make it competitive. There's also multiple solutions so it's a question of which one to go with. This would also be a good initiative to subsidize but instead we give those for sugar products and gas.