The study, commissioned by Uber and Lyft themselves, exposes the ride-hailing congestion problem - and it's worse than we thought. However, Uber says the scale "is dwarfed by that of private cars and commercial vehicles."
The ride-hailing industry will experience further growth over the next five years, but this growth will level off, according to analysis from Statista, a German research portal.
A growing number of carsharing operators in Japan have found customers rent vehicles, but don't actually drive them.
The survey, conducted from Sept. 24 to Oct. 7 of last year, found that ride-hailing usage has increased among American adults across all demographics.
Sales of vehicles to commercial fleets from eight manufactures increased 8.8% to 743,210 in 2018, even with a weaker December, on the strength of sales of trucks, SUVs, and vans that accounted for nearly nine units out of every 10 sold.
In November, sales of vehicles to commercial fleets increased 18.2% to 60,967, while sales into daily rental increased 6.4% to 122,433. Sales to government agencies increased 4.6% to 20,386.
Commercial sales increased 10.3% in October, while sales to government agencies increased 1%. Sales into daily rental increased 0.2%.
Sales of vehicles to commercial fleets increased 22% in August, while sales into daily rental fell 21.2%. Sales to government agencies increased 18.3%.
Sales of vehicles to commercial fleets increased 6.3%, while sales into daily rental increased 44.9%. Sales to government fleets increased 13%.
Sales of vehicles to commercial fleets increased 2.1% in May, while sales to government fleets were flat, and sales into daily rental increased 29.8%.