A Colorado court has approved a class-action lawsuit filed against a state coal technology firm.

Advanced Emissions Solutions Inc. (Nasdaq: ADES) is settling the class-action suit for nearly $4 million.

Lawyers sued the company, saying "executives allegedly made or were otherwise liable for material misrepresentations and omissions during the class period concerning the company’s accounting methods and controls for 2011, 2012, and the first three quarters of 2013."

ADES officials denied the charges, saying in legal documents that they"deny all claims of wrongdoing and affirm that they have acted properly and lawfully at all times."

Read more at the Denver Business Journal: http://bit.ly/2eeWzE9