NS residents concerned over dusty cement plant emissions
Sudden plant shutdown resulted in a discharge of dust that drifted over neighbourhoods and coated cars.
Clean-tech innovator BIOREM tallies new orders worth $5.7M
High-efficiency air emissions control systems lined up for projects in China and Chicago.
Trump bars California from setting stricter fuel standards
Unclear what Trump will propose as final fuel-efficiency rules, but in the past has favoured freezing Obama-era mileage standards at 2021 levels.
N.R. Murphy Ltd. marks 75 years with new ownership
Industrial air quality manufacturer keeps it in the family as Helder Armas takes over as president.