The closest you could get to one of Toshiba’s SCiB lithium-ion batteries at this week’s Green Products Expo in New York was looking at a photograph, but there were other noteworthy things on display to check out.

LED sales have dipped recently, but expect them to rise over time. Builders can score big LEED points with LEDs.

Toshiba’s SCiB, by the way, is being targeted at electric vehicles, with a charge time on a plug-in hybrid or an electric car taking about five minutes (depending on the size of the charger). Currently, the SCiB is only being used in battery packs and electric bicycles, said Ahdieh. No comment on how fast one of those bikes can get from zero to 60.

Are you tired of drying your hands on the front of your jeans?

The vacuum-cleaning innovator Dyson had its Airblade hand dryer at the show. The Airblade contains a filter that can remove 99.9 percent of the bacteria from the air, said a company spokeswoman. The dryer also uses up about 80 percent less energy than your standard warm air hand dryer, and it’s less expensive than paper towels, which Dyson says can save on costs by 98 percent.

It only looks like it’s going to bite your hands off. After getting a quick spritz of water, I plugged my hands into the machine. They were dry in only a few seconds.

James Dyson, who invented the company’s bagless vacuum cleaner, is also working on a solar-powered car. Dyson doesn’t mention this much, but hand dryers like this have been staples in Japanese public bathrooms for several years. You see them in convention centers a lot.

Air pollution doesn’t stop at the front door to your house. Some pollutants are stronger indoors than outside.

Like the name suggests, the Expo exists to showcase consumer products that will help you curb energy consumption, remove noxious chemicals from your life and otherwise get more green. Although the green consumer market sounds attractive, it’s not exactly exploding. The high price of a lot of products, or their limited availability, seems to hold it back.

The Expo had a Japanese tone to it, which makes sense. It’s the world capital of energy efficiency, obsessions with indoor air quality and trying to live in small, cramped spaces without going crazy.

Toshiba’s E-Core LED luminaire cuts CO2 emissions by about one sixth, said Navid Ahdieh, specialist, environmental affairs. In the picture to the right you can see one of these suckers all lit up.

The E-Core 100 also has a lifespan of 40,000 hours; so, not quite the Livermore lightbulb, but not bad either. Toshiba has shown these lights at Ceatec (a Japanese consumer electronics show) and CES.

But then there’s the price. An LED bulb that can put out the same amount of light as a 100 watt bulb like this one also costs around $100. It’s the big reason you don’t see them in Home Depot.

That’s the idea behind Trane’s CleanEffects filter. The unit filters out allergens and other particles (smoke, bacteria, mold, pollen, spores, etc.) from the air. The CleanEffects filter connects directly to your heating or air conditioning system to reduce indoor air pollution. The filters can be vacuumed or washed if they start to look like the lint trap in your dryer.

Its especially helpful if you like to burn some incense while you smoke a stogey and then grill up some steaks on the kitchen stove.

The execs at the show didn’t have much to say about how energy efficient the air filter was. They did note, however, that the energy-efficient home of today might conserve energy, but that also means it is better at holding in nasty air particles.

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