tailpipe emissions GM Volt Versus Toyota Prius: Which Design Type Will Be More Effective At Reducing Stack & Tailpipe Emissions, And Energy Consumption? By www.treehugger.com Published On :: Sat, 28 Feb 2009 14:05:34 -0500 This is one of those comparison posts that that could draw many angry comments: like Could Hype Sell An Inferior Hybrid? - Ford Fusion versus Toyota Camry did. Please carefully read the caveats. Full Article Transportation