Emissions-free flight could be a possibility in the future, as Boeing is working to develop a light plane that is powered by fuel cells and levitra canada generic an electric motor instead of fossil fuels in 12 month's time. The only emissions from such a plane would be water vapor.
At this point, the plane would be a small craft, and might have a top speed of canadian levitra 50mg only 70 miles per hour. It's not going to be a replacement for commercial passenger craft any time soon. But it's certainly another avenue for research and development toward what might some day be cleaner, greener air travel.
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