Green Car Congress

DECEMBER 30, 2016

The catalyst first removes water from the ethanol (dehydration), leaving behind ethylene. During the second stage of the process, the ethanol is run through a PNNL-developed catalyst that converts ethanol to jet fuel by removing the oxygen and combining hydrocarbons—a process known as dehydration-oligomerization.

Carbon 186

Carbon Diesel Audi Fuel 186

Green Car Congress

SEPTEMBER 7, 2009

The metabolism of a city can be interpreted either primarily in terms of energy flows or more broadly including a city’s flows of water, materials, and nutrients. Whereas Denver, having the highest per capita emissions for electricity, heating/industrial fuels, and ground transportation is, not surprisingly, the top emitter.

Emissions 199

Emissions Global Gas Los Angeles 199

Green Car Congress

JUNE 19, 2012

At last month’s World Renewable Energy Forum 2012 in Denver, Colorado, researchers from the US National Renewable Energy Laboratory presented papers on two different approaches to upgrade pyrolysis oils to hydrocarbon fuels or fuel intermediates. Fast pyrolysis can convert about 70% of the mass and energy into the liquid product.

Oil 246

Oil Fuel Hydrogen Conversion 246

Green Car Congress

AUGUST 26, 2009

Fleets include transportation authorities, cities, school districts, the University of Michigan, FedEx, and Meijer. The fleets include two utility fleets, five cities and towns, three counties, ten private companies, two state fleets, ten school districts, and two universities. Total DOE award: $14,970,144.

Alternative Fuels 236

Alternative Fuels Clean Cleaning Grant 236

Green Car Congress

MARCH 31, 2017

Although agriculture is the dominant NH 3 source at continental to global scales, in urban areas a significant NH 3 source is gasoline vehicles equipped with three-way catalysts (TWC). Wallace and Hu Jun Leong of Rice University; M. and Tong Zhu of Peking University. —Sun et al.

Vehicles 150

Vehicles Emissions Houston Universal 150