King corn is losing a battle with Queen soybeans, and this has activated the politicians for another round of support. Renewable diesel is projected to increase five-fold from 1 billion to 5 billion gallons by 2026. Almost $2.6 billion is being invested in increased soybean crush capacity to meet this demand. It will require around 1.5 billion additional bushels of soybeans and creates three problems for corn:

An edge in the battle for acres. Demand drives up profitability and farmers will grow beans instead of corn. Increased competition around coproducts. There will be a surplus of 35 million short tons of soybean meal competing with DDGS.  Winning RINs. Renewable biodiesel has a better GHG reduction value and its RINs will outc...