Many of us have been watching with interset the race between LG Chem and A123 Systems to become the supplier of the GM Volt’s battery system. After all, energy storage is currently the most crucial puzzle left to solve to make battery electric cars and plug-in hybrids viable. We need batteries that store as much [...]
The Smart Car is undoubtedly cute and novel, but is it a smart choice for drivers that are concerned about the environment as well as their wallet? The Smart Car has certainly received a lot of coverege to date and continues to evoke mixed reviews from our writers and readers alike. Eric Taub of the NY Times.
We have not seen an EEStor ultracap car on the road yet, but AFS Trinity Power has a prototype plug-in hybrid on the road for the auto show that mixes batteries, ultracapacitors and a gas engine, creating a hybrid hybrid. Matthew Wald of the New York Times explains why with a tasteful analogy:
“The problem in a hybrid is not only how much energy the batteries hold, a quality called energy density, but how fast they can deliver it, called power density. The difference between energy density and power density is like the difference between a wine jug and a peanut b…
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