anl esd 04 1 vision model description of used to estimate the impact highway vehicle technologies and fuels on energy use carbon emissions 2050 center for transportation research argonne national laboratory operated by university chicago under contract w 31 109 eng 38 united states department a us office science is disclaimer this report was prepared as an account work sponsored agency government neither nor any thereof their employees or officers makes warranty express implied assumes legal liability responsibility accuracy completeness usefulness information apparatus product process disclosed represents that its would not infringe privately owned rights reference herein specific commercial service trade name trademark manufacturer otherwise does necessarily constitute imply endorsement recommendation favoring views opinions