article thumbnail

WHYY reports Philadelphia’s Proterra electric bus fleet sidelined due to cracked chassis and other defects

Green Car Congress

million federal grant, that she had doubts about “the future of electric vehicle procurement.”. “I BYD buses were removed from service in Indianapolis for upgrades due to range issues, while officials in Albuquerque, New Mexico, returned 15 BYD buses for similar reasons, Briggs reported. Proponents, like engineering professor Jeremy J.

Fleet 379
article thumbnail

HEI ACES study of lifetime animal exposure to New Technology Diesel Engine exhaust finds no lung cancer

Green Car Congress

exhaust from heavy-duty diesel engines meeting EPA 2007 and later emissions requirements—has found no evidence of carcinogenic lung tumors. The study exposed laboratory rats 80 hours a week, for up to 30 months, to emissions from a heavy-duty diesel engine meeting 2007 US EPA standards using new filters and other control technology.

Exhaust 150
article thumbnail

DOE Selects Laboratory-led Projects for up to $11M to Support Development of Advanced Water Power Technologies

Green Car Congress

The US Department of Energy (DOE) has selected national laboratory-led projects for up to $11 million this year, as well as future years, subject to annual appropriations, under DOE’s competitive laboratory solicitation for the development of Advanced Water Power Technologies. Earlier post.)

Water 225
article thumbnail

Sandia Successfully Completes Hydrogen Storage System for GM

Green Car Congress

But, although it is indeed larger and heavier than a viable automotive storage system requires, the system’s engineered elements address many of the thermal management issues that are necessary for successful vehicular storage of hydrogen. With main facilities in Albuquerque, N.M., Jim Spearot, GM lead executive for hydrogen storage.

Hydrogen 186
article thumbnail

Sandia progressing to demo stage with supercritical CO2 Brayton-cycle turbines; up to 50% increase in efficiency of thermal-to-electric conversion

Green Car Congress

The same principle is used to power jet engines today. This machine is basically a jet engine running on a hot liquid. MPa enable the system to operate with very high thermal efficiency, exceeding even those of a large coal-generated power plant and nearly twice as efficient as that of a gasoline engine (about 25%). 2009.03.017.

article thumbnail

Obama Administration launches series of actions to accelerate EV adoption; inc. $4.5B in loan guarantees, pursuing 350 kW fast charge

Green Car Congress

By employing EV-Ready building practices, multi-unit dwelling and commercial building developers can prepare a facility with electrical infrastructure to accommodate a future charging station installation, resulting in significant cost savings for building owners and tenants. Clean Future, Inc. Sustainable Future LLC.

Obama 150
article thumbnail

First results from HEI/ACES murine study find few biologic effects from exposure to exhaust from new technology diesel engines

Green Car Congress

The first results of a comprehensive study of the health effects of exposure to new technology diesel engines has found no evidence of gene-damaging effects in the animals studied, and only a few mild effects on the lungs, according to a report issued today by the Health Effects Institute (HEI). —Dan Greenbaum, President of HEI.

Exhaust 207