DuPont Tate & Lyle Bio Products LLC, a joint venture between DuPont and Tate & Lyle, will expand its manufacturing facility in Loudon, Tenn., to increase annual production of bio-based 1,3-propanediol by 35 million pounds. The expansion, which is expected to be complete mid-2019, will bring additional construction and engineering jobs to the region.

Testing evaluates and compares the performance of propylene glycol (PG) and 1,3 propanediol (PDO) when used as a heat transfer fluid.

SolarUS, a manufacturer and distributor of solar collectors and solar thermal products, has been in the solar thermal industry for more than 30 years.