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Opportunities to reduce vehicle emissions in Jakarta

Jakarta’s expanding fleet of motor vehicles is a key target of urgently needed actions to curb the city’s dangerous air pollution. This briefing paper highlights technologies and policies to reduce...
Published 2014.12.10: Publication

Heavy-duty vehicle diesel engine efficiency evaluation and energy audit

A main input for vehicle efficiency simulation tools is a fuel consumption map that characterizes the efficiency of the engine at its various operational points. This work provides a complete engine...
Published 2014.12.10: Publication

Road transport in the EU Emissions Trading System: An engineering perspective

The introduction of mandatory CO2 standards for passenger cars in the European Union led to a significant decrease in the level of CO2 emissions for new vehicles, and increased deployment of vehicle...
Published 2014.12.04: Publication

Development of test cycle conversion factors among worldwide light-duty vehicle CO2 emission standards

Comparing the light-duty vehicle fuel efficiency standards in effect in the world's largest auto markets is not a simple, straightforward process, because any fair, apples-to-apples comparison must...
Published 2014.12.03: Publication

The reduction of upstream greenhouse gas emissions from flaring and venting

Oil wells produce natural gas along with oil, and in places where it’s difficult to transport or utilize the gas, operators of the wells may burn it (flaring) or in a few cases simply release it to...
Published 2014.11.19: Publication

U.S. domestic airline fuel efficiency ranking, 2013

The newest release of this annual rankings report compares the fuel efficiency, and therefore carbon intensity, of U.S. airlines on domestic operations in 2013. The report also investigates changes...
Published 2014.11.19: Publication

European Vehicle Market Statistics, 2014

The annual European Vehicle Market Statistics Pocketbook offers statistical portrait of passenger car and light commercial vehicle fleets in the European Union from 2001—and, beginning with the 2014...
Published 2014.11.12: Publication

Morbidities calculation: Guidelines and walkthrough

Local air pollution can have a variety of adverse health impacts. Some are fatal and others are not. Non-fatal health impacts are referred to as morbidities and range from increased asthma symptoms...
Published 2014.11.12: Publication

Evaluation of state-level U.S. electric vehicle incentives

Many U.S. states offer incentives to encourage consumers to purchase electric vehicles. Are these various incentives beginning to significantly influence electric vehicle adoption rates? In this...
Published 2014.10.31: Publication

The WLTP: How a new test procedure for cars will affect fuel consumption values in the EU

The current European type-approval procedure for fuel consumption and CO2 emissions of cars (the New European Driving Cycle, or NEDC) includes a number of tolerances and flexibilities and no longer...
Published 2014.10.29: Publication

Comparative assessment of heavy-duty vehicle regulatory design options for U.S. greenhouse gas and efficiency regulation

As regulatory agencies in the U.S. work on the second phase of heavy-duty vehicle greenhouse gas (GHG) and efficiency standards, one of the key decisions they face concerns the regulatory...
Published 2014.10.29: Publication

New light commercial vehicles in China, 2010: Technology assessment and international comparisons

This paper assesses fuel consumption and fuel-efficiency technology adoption in China’s light commercial vehicle (LCV) market in 2010, focusing on the differences among vehicle sub-categories and...
Published 2014.10.21: Publication

Real-world exhaust emissions from modern diesel cars

This study, a meta-analysis of PEMS data from EU (Euro 6) and US (Tier 2 Bin 5/ULEV II) diesel passenger cars, documents the wide discrepancy that exists between official certification or type-...
Published 2014.10.11: Publication

From laboratory to road: A 2014 update

Europe’s passenger-car efficiency regulation has very effectively driven down the official average CO2 emissions and fuel consumption of new passenger cars in the EU. The 2015 target of 130 grams of...
Published 2014.09.28: Publication

A Guide for the Perplexed to the Indirect Effects of Biofuels Production

Over the past decade, the concept of indirect land use change (ILUC) has come from obscurity to become a primary concern for biofuels policy. In the U.S., the Renewable Fuel Standard and California'...
Published 2014.09.04: Publication

Stakeholder workshop report on tractor-trailer efficiency technology, 2015-2030

This report, based on a July 2014 workshop, updates conventional wisdom on available technologies that offer the potential to increase tractor-trailer efficiency in the 2015-2030 timeframe. The...
Published 2014.08.28: Publication

Long-term energy efficiency improvement for LNG carriers

With the booming natural gas trade, there has been huge growth in demand for liquefied natural gas (LNG) carriers, the primary means of intercontinental transportation of natural gas. This study...
Published 2014.08.19: Publication

Policy update: Bharat Stage IV emission standards for two-wheelers in India

On July 4, 2014, India finalized the fourth stage of emission standards for motorized two- wheeled vehicles. The Bharat Stage (BS) IV standards will go into effect for type approval of new...
Published 2014.08.12: Publication

Cost-Benefit Analysis of Mexico’s Heavy-duty Emission Standards (NOM 044)

Mexico is planning to revise its existing emissions standards for diesel heavy-duty vehicles (HDVs). The existing regulation, Norma Oficial Mexicana 044 (NOM 044), requires new vehicles to meet...
Published 2014.08.11: Publication

EU Energy Council draft directive on indirect land use change

On June 13, the European Union’s Council of Energy Ministers agreed to a common position on the draft “ILUC proposal.” The Ministers’ June proposal would amend the Renewable Energy and Fuel Quality...
Published 2014.07.30: Publication

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