Zero - Pollution Car Cars are a major source of air pollution in the world’s large cities. To address the problem, a French engineer has invented an urban car that is silent and odor free and “runs only on the air around us, ” reports The Guardian Weekly of London. Engine designer Guy Nègre has developed a motor that runs on compressed air. It takes less than two dollars ’ worth of electricity to fill its compressed - air tank, after which the car can run for ten hours in urban conditions at a top speed of about 60 miles [100 km] an hour.
ბრაზილიის გაზეთის თანახმად, სიკვდილიანობის ზრდის ერთ - ერთი მიზეზი არის ის, რომ ბევრი დაავადების განკურნებამდე წყვეტს მკურნალობას (O Estado de S.