Ethanol versus Oil Global ethanol use is predicted to increase but its main purpose is not to replace oil but to boost octane and thus reduce air pollution. Indeed, it is apparently difficult to get rid of oil. Colombia University economists modeled the impact of a carbon tax on petroleum consumption and concluded that 75 percent of a $200/MT carbon tax would be passed along to consumers initially but ultimately most oil reserves continue to get developed and eventually its price drops far enough to negate the effect of the tax.  Impeachment Answer/U.S.-China Outcome Nearly every respondent to WPI’s last survey regarding the impeachment process against President Trump believes the U.S. House will send the articles indicting hi...