What about hybrid taxi? Wikipedia
Hybrid taxi or hybrid electric taxi is a taxicab service provided with a hybrid electric car (HEV), which combines a conventional internal combustion engine propulsion system with an electric propulsion system.
In 2000, North America's first hybrid taxi was put into service in Vancouver, British Columbia, operating a 2001 Toyota Prius which traveled over 332,000 km (206,000 mi) before being retired.In 2015, taxi driver in Austria claims to have covered 1,000,000 km (620,000 mi) in his Toyota Prius with the original battery pack.
Several major cities in the world are adding hybrid taxis to their taxicab fleets, led by San Francisco where hybrid represent almost 50% of its taxicab fleet by March 2010,4 and New York City where hybrids taxis represent 45% of the city's total fleet by September 2012. Unlike conventional gasoline cars, hybrids get better fuel economy, do well at slow speeds or idling, and have cleaner emissions.
Źródło: https://en.wikipedia.org/wiki/Hybrid_taxi
Urban taxi
Urban taxi is a very popular means of communication, which is used by a lot of people. Although it seems that the use of taxis will be linked to the need to incur certain costs, but existing in the cities corporations Taxi try to compete with each other for customers by lowering prices for certain courses while riding a taxi especially with a lot of luggage it is simply much more convenient than driving city bus.
In addition to the transport of people, some corporations organize taxi transport of domestic items and appliances, as well as small furniture. This is an additional way for taxi drivers to make money and gain new customers.
Taxi stands at the cultural centers
In every city there are such places, which is more taxis. One of such places are bus stations. At these stations gets out every day a lot of people in possession of a different size bags, because usually eager to use taxis.
Other places are the taxi railway stations. At these stations taxis are especially needed because disembark on them sometimes people arriving from distant places of the country and do not know the city well, so use the taxi for them becomes a very practical solution. Taxi drivers willing to stand well in hospitals and in centers of culture, because in such places can also count on a large number of customers.