article thumbnail

eVTOL company Joby and NASA collaborate to measure noise footprint of electric air taxi

Green Car Congress

NASA’s AAM National Campaign is designed to promote public confidence in emerging aviation markets, such as passenger air taxis, through flight testing in realistic scenarios and data analysis that will inform the development of regulatory standards for emerging aviation platforms.

Taxi 329
article thumbnail

Study finds sustainable aviation fuels show up to 70% reduction in particle mass emission compared to fossil fuel

Green Car Congress

A comparison to in-flight emission data showed similar trends at cruise altitudes. during idle and taxi). Changes in the fuel naphthalene content had significant impact on the particle number emission.

Fuel 199
article thumbnail

ZeTek Efforts on Fuel Cell London Cabs Reach Back to 1998

Green Car Congress

The plug-in hybrid fuel cell London Taxi recently unveiled by Intelligent Energy, Lotus Engineering, LTI Vehicles and TRW Conekt ( earlier post ) is the latest in a set of attempts to apply fuel cell technology to London cabs. ZeTek Power Plc, which has since gone out of business, developed its first prototype London fuel cell taxi in 1998.

London 249
article thumbnail

ITF shared mobility study for Helsinki bolsters other results suggesting car sharing ends congestion, cuts emissions

Green Car Congress

In the Helsinki study, motorized road trips (private car, bus and taxi) were replaced by different configurations of 6-seater Shared Taxis that provide on-demand door-to-door service and Taxi-Buses that offer a street corner-to-street corner service booked 30 minutes in advance.

Emissions 150
article thumbnail

Study suggests high-mileage light-duty fleets contribute higher emissions and emissions share than expected

Green Car Congress

One segment of the on-road fleet that is believed to drive more miles and consume more fuel than the average fleet vehicle is livery (for-hire) vehicles, such as taxis and limousines. The researchers used the West LA data as a baseline for comparison with the high-mileage fleet measurements. In their study, Bishop et al.

Emissions 150
article thumbnail

Kreisel Electric expanding capacity with construction of new Li-ion battery plant

Green Car Congress

Kreisel says that it leverages assembly and thermal management techniques to deliver 20% more usable capacity available in comparison to the products of its main competitor. The 6,276 m 2 factory will be equipped with a fully automated production line. With a weight of only 4.1 Kreisel has also swapped out VW’s 24.2 from 120 to 267 miles.

Li-ion 150
article thumbnail

Toshiba researchers use TiNb2O7 anodes for high-energy, fast-charging, long-life Li-ion batteries for EVs

Green Car Congress

By comparison, a comparable LTO/NCM cell showed an energy density of 177 Wh L -1. These cells had a high energy density of 350 Wh L -1 , a high input-power density of 10 kW L ?1 1 for 10 s at 50% state of charge (SOC), and fast-charging from 0% to 90% SOC in less than 6?min. —Takami et al. 2018.06.059.

Li-ion 265