Stopping Transition Volatility Policymakers set targets related to sustainability to achieve desired end goals. These include reducing pesticide use by 30 percent, mandating 10 percent ethanol blends, or ending internal combustion engine automobiles by 2030. These inflexible policies lead to volatility when successor technologies fail to materialize, or efficiently fill the gaps that are created. Brazil at least operates countercyclical biofuel policy whereas a fifth of U.S. corn goes into ethanol no matter the price per bushel. And there are 17 different gasoline formulations used in the U.S. depending on the local environmental conditions. Any shortfall in supply requires a lengthy EPA process before alternative formulations can be used...