So it‘s a little after six in the a.m. when Jimmie Kissling and I get rolling down the still-dark rural roads for the first job of the day - getting a load of asphalt “binder” for a parking lot ...

Since 2010, diesel-powered on-highway trucks in North America have been using selective catalytic reduction (SCR) as an exhaust after-treatment technique to control nitrogen-oxide (NOx) emissions. And ...