Ammonia moves ever further into being used as a standard technology.
Paper provided courtesy AIRAH:
During the lead-up to the historic passing of the Carbon Tax Bill in the Australian Senate in November 2011, refrigeration plant users explored ways of minimizing the impact of this new legislation. Not only does the legislation assign a price on carbon pollution thereby increasing electricity costs. It also includes a special levy on hydrofluorocarbon (HFC) refrigerants. The latter has increased the retail price of HFC’s by 300 to 500% as of July 2012.