Almost half of products cleared so far under the new federal biofuels program are not in fact biofuels and the EPA acknowledges that the plastic-based ones may present an "unreasonable risk" to the environment or human health, including a significant cancer risk.
Dairy farms in California are receiving large subsidies for capturing methane before it enters the atmosphere. While these farms are saving and converting the otherwise wasted methane into natural gas, the state considers this process as carbon negative, despite its inability to remove carbon from the atmosphere.