Costly 'cleaner' coal fights for space in emissions debate | Reuters

NEW DELHI/TOKYO The global coal industry is trumpeting "cleaner coal" technology to fight bubbling competition from renewable energy, but the high costs of greener plants are proving a major obstacle in selling them to power-hungry countries such as India.

The challenges are highlighted by the experience of Japan - despite a concerted push by Tokyo to take a lead in exporting the technology, only 7 percent of the power stations built or planned since 2010 with funds from Tokyo's export credit agency were of the most energy-efficient type, according to data from a group of NGOs.

With world leaders due to meet in Paris from Monday to try to agree a deal to tackle climate change,