Highlights Coronavirus, crude prices lead to 'historic' crash in US ethanol Chicago Argo ethanol prices reach lowest ever Governments' plan to fight virus causes lower demand Poor crush margins, cash flow could lead plants to close Houston — Just where is the bottom? That's what the ethanol industry is wondering, after seeing the price for ethanol at Kinder Morgan's Chicago Argo terminal, the dominant US hub for ethanol trading, tumble by nearly 18% to historic lows in March. Not registered?