El Paso County's auto market continued to boom in August as new vehicle registrations rose from a year earlier by the biggest percentage in nearly two years, according to a report from the El Paso County Clerk and Recorder's Office. Here's the details from the August report, including what is driving the hot market and what the auto industry is saying about it: - The numbers: New vehicle registrations in August totaled 2,369, up 25.5 percent from August 2014, the biggest percentage increase since November 2013.