The issue focused on what has been seen as the perpetual absence of anything that could be regarded as a definitive word on the subject of how these batteries perform. Battery research has a kind of mathematical merit, as everyone who has tried them can attest to, and theoretical physicists have been taking pains to get more detail into the technology. But until such information becomes available, the EPA will continue to say that all the known science is silent on whether batteries work.


In the meantime, battery expert Robert Davis is calling