Because HEMP (Marijuana) is illegal. No farmer can risk being raided and loosing a crop for growing the raw material for degradable plastic. Hemp doesn't have the margins that Marijuana has.Why dont retailers use biodegradeable bags?
There is NO legislation, shy of true capital crime laws that ends up making life better. It always limits and prevents good things from happening. 1941 a bio-degradable car was introduced, with a auto body that withstood beating with a slash hammer. How many wrecks and preventable repairs did we have since 1941. Laws make no sense and make people poor.
Because of mandatory car insurance, homeowner insurance, property tax, car licensing and smog checks you have about $300,000 less. A house would be paid off in about 8 years, and with inflation and interest the total financial damage to a reasonable and careful person is in the millions. That's why we don't retire happy at age 50.
How many more mandatory things would help you to achieve your dreams?
Last year we added 25000 Federal laws. How many more would help you to start a business? Maybe, it will get easier with minimum wage of $25. We will see. My bet it, it will not help you.