Photos: GM's 2-Mode 2008 Yukon Hybrid
Full hybrids have to date been almost synonymous with Toyota's Hybrid Synergy Drive (HSD) system, which, in addition to being the technology behind all Toyota and Lexus hybrids, is licensed by Nissan for its Altima Hybrid and is used in a modified version by Ford in the Ford Escape and Mercury Mariner hybrids. This hybrid monopoly is about to change, however, as GM readies its 2-Mode hybrid system for introduction later this year in the Yukon Hybrid and Tahoe Hybrid SUVs. Like HSD, GM's 2-Mode system enables cars to run just on electricity, just on gasoline, or a … Read more