Residential energy-related carbon dioxide emissions increased in the first quarter of 2014. Residential CO2 emissions increased in the first quarter of 2014 by about 12% compared with the first quarter of 2013, due largely to colder weather; heating degree days (HDD) increased 10% over the first quarter of 2013.
Viking Dual Fuel Ranges Viking dual fuel ranges combine high-performance commercial-style gas surface burners with convenient electric self-cleaning ovens. Viking Dual Fuel Ranges 30-INCH Viking Dual Fuel Ranges 36-INCH
2011-2012 Cayenne â Manual. 2011-2012 Cayenne â Manual. Your Porsche is equipped with catalytic converters and must use UNLEADED FUEL ONLY. Your engine is designed to provide optimum performance and fuel economy using unleaded premium fuel with an octane rating of 98 RON (93 CLC or AKI). Porsche therefore recommends the use of these fuels in your vehicle.