World’s largest electric ferry completes maiden voyage

All-electric passenger and car ferry, in DenmarkElectric transportation technology is spreading beyond cars to heavy equipment, airplanes, helicopters, and now, boats. The Danish ferry boat Ellen, which made its maiden voyage earlier this month between the Danish islands of Aero and Als, claims to be the world’s largest all-electric ferry. While electric technology is still a challenge...

Could moss-covered, data-connected park benches help clear city air?

Green City Solutions City Trees use moss to filter airAs countries from India to Ethiopia plant millions of trees to combat global warming, one German company has a much smaller idea. Berlin-based Green City Solutions plans to clean the air of local emissions from gasoline and diesel engines, by planting millions of tiny mossy trees in cities. Moss works similarly to trees in filtering pollutants out...