‘If It’s a Greenfield Site, It Will Be CO2 or Ammonia’ ‘If It’s a Greenfield Site, It Will Be CO2 or Ammonia’ Natural Refrigerants Source: https://news.google.com/rss/articles/CBMilgFBVV95cUxNVXJVSk5NejhWTHZzZmpUc0RkRWJHSkN3eU5wZUZKS1VUT0wySVlYMThCdnBGdi14SzZUWmNsaFNLMGZmU0JySWo2cXBDYnFFRmNVLWFmd2NhdEY0RVpYeUh1bUlHQlpMLTNHOXdLMVJUY01WS3ZNUWQ3VVJiZmE4X2lhZ0xPRE1yTWxjdkx1bjlpelE2Tnc?oc=5