Remove Alternative Fuels Remove Maintenance Remove Reviews
article thumbnail

California ARB to hold workshop on future of Zero Emission Bus regulation

Green Car Congress

Each transit agency was required to select a compliance path—either the “diesel” path or the “alternative fuel” path—by 1 January 2001. Path selection set the fuel type for new urban bus acquisitions through model year 2015. There was a 15% ZBus purchase requirement affecting only large agencies (>200 buses).

article thumbnail

New UMTRI paper reviews major advantages and disadvantages of battery-electric and fuel-cell vehicles

Green Car Congress

A new report from the University of Michigan Transportation Research Institute (UMTRI) reviews the major advantages and disadvantages associated with battery-electric vehicles (BEVs) and fuel-cell vehicles (FCVs). For current gasoline-powered ICE vehicles at an average fuel economy of 23.3 mp and a fuel price of $2.35

San Diego 150
article thumbnail

Small-displacement two-stroke H2 engine could address performance and emissions cost-effectively for recreational market; potential for Asian motor vehicle fleet

Green Car Congress

Wall-heat transfer is identified as the predominant loss factor based on a literature review, combining the small engine dimensions and very high compression ratio—with the consequent disadvantageous exposed surface-to- volume ratio—and the peculiarities of hydrogen combustion with its small quenching distance and high flame speed.

Engine 329
article thumbnail

Road Test: 2025 Toyota Crown Nightshade Hybrid

Clean Fleet Report

Fuel economy numbers reported by Clean Fleet Report are non-scientific and represent the reviewers driving experience using the dash gauge computer. Make sure to opt-in to the Clean Fleet Report newsletter (top right of page) to be notified of all new stories and vehicle reviews. Your numbers may differ. Story by John Faulkner.

Toyota 97
article thumbnail

Essential Tips for Successful Vehicle Fleet Management

Clean Fleet Report

From optimizing fuel efficiency to minimizing maintenance costs, fleet managers have to juggle multiple factors to ensure smooth operations and cost-effectiveness. By equipping vehicles with telematics devices, fleet managers gain valuable information such as vehicle location, fuel consumption, driver behavior and maintenance needs.

Fleet 97
article thumbnail

Ricardo report finds hybrid buses have higher regulated emission intensities than conventional buses; need for whole vehicle testing

Green Car Congress

While technologies for low carbon buses such as hybridization offer the prospect of significant reductions in fuel consumption and CO 2 emissions compared to conventionally powered vehicles, the improvement in terms of regulated emissions (criteria pollutants) may not be as great, according to a new report by Ricardo.

Emissions 231
article thumbnail

Royal Academy of Engineering study examines future lower-carbon ship powering options

Green Car Congress

The report reviews a range of short-, medium- and long-term technologies and examines the advantages and limitations of systems from solar and wind power, through fuel cells to nuclear propulsion. Battery technology is developing rapidly, offering some potential for propulsion.

Engine 225