Green Car Congress

JUNE 23, 2011

Chevron’s focus on optimizing the thermal management of the Kern River field has resulted in a steady drop in the steam:oil ratio (barrels steam water per barrel oil), resulting in improved economics of the field even with slowly declining production. Source: Chevron. Here, Chevron has reduced its steam:oil ratio (i.e.,

Chevron 244

Chevron Oil Oil-Sands Production 244

Green Car Congress

DECEMBER 19, 2010

Ceres recently released a new report concluding that coal-to-liquid (CTL) and oil shale technologies face significant environmental and financial obstacles—from water constraints, to technological uncertainties to regulatory and market risks—that pose substantial financial risks for investors involved in such projects.

Coal 210

Coal Oil Water Oil Prices 210

Green Car Congress

NOVEMBER 10, 2009

There is significant potential for improvement in agriculture, particularly given the historic advances made with genetic modification (GM) of crops to obtain desired characteristics, increase yield and reduce harvesting and processing costs. The biggest challenge is in the deconstruction stage, with high costs for pretreatment and enzymes.

Transportation 262

Transportation Supplies Emissions Fuel 262