i final report contract 02 310 project no 008545 analysis of auto industry and consumer response to regulations technological change customization models in support ab 1493 rulemaking case study light duty diesel vehicles europe belinda chen bschen ucdavis edu principal investigator dr daniel sperling dsperling prepared for the california air resources board environmental protection agency by institute transportation studies university davis one shields avenue ca 95616 october 18 2004 ii disclaimer statements conclusions this are those contractor not necessarily mention commercial products their source or use connection with material reported herein is be construed as actual implied endorsement such iii acknowledgements was submitted fulfillment at its under sponsorship work