This probably will not come as a big surprise to most fleets, but emissions-related components are the fastest growing sector of the heavy-duty aftermarket, according to John Blodgett, vice president, sales and marketing for market-research firm MacKay & Co. Speaking at the recent Heavy Duty Aftermarket Dialogue event in Las Vegas, Blodgett said that since 2010 aftermarket demand for these components has increased 254%.
