Knox County (WVLT) - Knox County's mayor is under review for a stock purchase he made about three and a half years ago.

The news sentinel reports Mayor Mike Ragsdale purchased $10,000 of stock in IdleAire Technologies in December of 2004, in the same month he signed and finalized a one million dollar federal grant to the company.

Ragsdale also sat on a 12 member committee which oversaw federal grants to IdleAire totaling nearly 2.8 million dollars over the last six years.

IdleAire is a Knoxville company that makes in-cab electric units for 18-wheelers.

Mayor Ragsdale has not commented about the situation.