1. 
   MTCE
   acronym: million tonnes of carbon equivalent
   Found op http://cdiac.ornl.gov/pns/acronyms.html#M
   
   
2. 
   Mtce
   Million tonnes of coal equivalent - used in comparing different fuels. One Mtce of any other fuel gives the same heat when burnt as a million tonnes of coal
   Found op http://www.eon-uk.com/about/328.xhtml
   
   
3. 
   mtce
   1) Million tonnes of carbon equivalent
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/mtce/1
   
   

Tip: double click on a word to show its meaning.