The CaliforniaAirResourcesBoard (" CARB "), underpressurefromthe federalEnvironmentalProtection Agency (" EPA "), was trying to reducecaremissions "by 10%" with a deadline of 2003.
In April 2012, the federalEnvironmentalProtectionAgency issued a notice of violation to Green Diesel, alleging it improperly generated credits that track and boost renewable fuel production.
In Texas, the birthplace of the shale-gas revolution, there is currently a stand-off between the federalEnvironmentalProtectionAgency and the state Railroad Commission, which regulates oil and gas production.