US: Lehigh Cement and Lehigh White Cement have agreed to an investment of US$12m for the installation of pollution control technology across their 11 active cement plants. US Fed News has reported that the upgrades can be expected to reduce net emissions of nitrous oxised (NOx) by 4550t/yr and sulphur dioxide (SO2) by 989t/yr. Lehigh Cement will additionally pay a US$1.3m civil penalty for past Clean Air Act violations.
