IMPAIRMENT, INTENT RULED OUT No Skid Marks Visible At Richfield Crash Site By LIBBY CUDMORE • Special to www.AllOTSEGO.com RICHFIELD SPRINGS – There were no skid marks visible on the half-mile stretch of Main Street here after a state fire vehicle plowed into four cars late yesterday afternoon. “The road was icy, but we don’t believe that was a contributing factor,” said Sheriff Richard J. Devlin Jr. According to Devlin, the driver of the vehicle consented to be tested at…