While wind turbines only cost 11 grams of carbon per kilowatt-hour (compared to the combustion of natural gas at 450 grams), there is always room for improvement. Opponents of wind energy have criticized the carbon footprint of the steel required to build wind towers and … [Read more...] about The future of wind turbine towers may be made of wood
carbon emissions
Washington DC proposes charging higher fees for bigger trucks
Large pickup trucks’ popularity keeps growing in the United States and not just for hauling. Bigger and bulkier trucks are often used as normal cars, even new heavy-duty models like the Ford F-250 which gets 15 miles per gallon and is almost two feet taller than an average … [Read more...] about Washington DC proposes charging higher fees for bigger trucks
MIT system uses machine-learning to reduce traffic and car emissions
As if idling in a line of cars at a red light forever wasn’t bothersome enough, vehicles emit greenhouse gasses while they’re stopped in traffic. Not only that, exposure to excess vehicle emissions while idling in traffic can be a major health risk. What if drivers could time … [Read more...] about MIT system uses machine-learning to reduce traffic and car emissions
New Zealand passes landmark climate legislation, helping switch to EVs
New Zealand has one of the highest per capita carbon emissions rates in the world, but it still has a strong reputation for environmentally responsible behavior. In the spirit of the latter, it plans to help with the former and has just passed landmark legislation that may set a … [Read more...] about New Zealand passes landmark climate legislation, helping switch to EVs
How e-bikes are transforming New York City
New transportation technologies literally transform cities. Beyond the obvious construction of subways, the innovation of the automobile gave rise to the prevalence of suburbs, industrial areas outside of cities, and the remodeling of American streets. We might soon see a … [Read more...] about How e-bikes are transforming New York City