If anyone who works for the Times is reading this, could you please use some of the money to pay for the science editor to take a GCSE in the subject. They will then discover that it actually requires lots of energy to split water into Hydrogen and Oxygen. (If you do it the opposite way round-ie combine the two gases to make water, then you can generate electrical current to power whatever you like)
The general standard of science reporting throughout the media is absolutely terrible. Articles either contain basic mistakes or are sexed up versions of something that appeared in New Scientist a few weeks earlier, with a bit of certainty added for good measure.