The 2007 Jeep Grand Cherokee, built by UAW Local 7 in Detroit, comes with many different fuel-saving options, including: diesel, flex-fuel, and advanced technology versions.

• The diesel version of the Grand Cherokee offers a 3.0L common rail turbo diesel (CRD) engine built by Mercedes-Benz. The engine produces significantly few harmerful emissions than previous diesel vehicles. It achieves a 25% improvement in fuel economy over the gasoline Grand Cherokees and a 20% reduction in carbon dioxide emissions. At the plant, it is fueled with 5% biodiesel.
  
  Chrysler recently announced plans to replace this with a BLUETEC 50-state clean diesel version for the 2009 model year. That vehicle will meet stringent emissions standards for 2010 in all 50 states.



• The flex-fuel version of the Grand Cherokee includes a 4.7L V-8 engine that can run on either E85 or gasoline. E85 is a fuel that contains 85% ethanol made from corn or other crops in the U.S.



• The advanced technology version comes with a 5.7L Hemi V-8 gasoline engine that features cylinder deactivation. The technology shuts half the engine's cylinders down when driving conditions are light and they are not needed, then turns them back on when conditions become more demanding. The engine is paired with a five-speed automatic transmission from Indiana, which also helps improve fuel economy and efficiency.

DaimlerChrysler invested $241 in upgrades and renovations to the Jefferson North Assembly plant in order to increase flexibility, productivity and efficiency before beginning production of the new Grand Cherokee in 2005.

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