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A sharp increase in revenue passenger miles drove both profits and fuel consumption on domestic operations up between 2014 and 2016 for U.S. airlines. Alaska Airlines again ranked first in overall fuel-efficiency, while the gap between it and the least fuel-efficient carrier, Virgin America in 2016, widened slightly to 26%.

This update adds one new data source, for a total of 14, covering 16 years, eight countries, and approximately 1.1 million cars. The analysis shows that, in the EU, the gap between official and real-world CO2 emission values continues to grow—from 9% in 2001 to 42% in 2016.

Investigates the gap between real-world and official CO2 emission values in the four largest vehicle markets in the world: China, the EU, Japan, and the United States. The analysis shows that the gap has increased in all markets since 2001. 

2016.10.21

Analyzes the state of the electric vehicle market development and the actions that are driving it. Catalogues electric vehicle promotion analysis and identifies best practice policies across the 50 most populous U.S. metropolitan area. Applies a statistical analysis to discern links between the promotion actions and electric vehicle uptake.

Publication: White paper
2016.10.17

Assesses the impact of market and political uncertainty on the real value of financial incentives from low-carbon fuel policies. Provides a detailed policy proposal and scenario analysis for a novel financing mechanism to support ultralow-carbon fuel production in California using a contract for difference (CfD) policy.

Publication: White paper
2016.09.23

Assesses feasibility, benefits, and costs of phasing out HFC-134a from the Chinese LDV fleet, focusing on three alternatives—HFO-1234yf, HFC-152a and CO2 (R-744)—most likely to be adopted by automakers with a global supply chain.

Publication: White paper
2016.09.16

Current non-road regulatory programs lag behind comparable programs for on-road diesel engines, and are not stringent enough to compel the use of the best available technologies for the control of PM and NOx emissions.

Publication: White paper
2016.09.11

Analyzes EV uptake at the city level, and assesses public charging infrastructure, model availability, and other factors to identify leading-edge markets in California. Provides a detailed analysis of the 30 California cities with the highest rates of EV penetration, examining how governments, utilities, businesses, and nonprofits are promoting EVs.

Publication: White paper
2016.08.17

Details how implementing well-tested policy measures can help drive forward the necessary innovations and could reduce the total CO2 emissions of the LDV fleet in Turkey by about 36% compared to a business-as-usual scenario.

Publication: White paper
2016.08.08

A summary of the history and current state of biofuels policy in Indonesia, highlighting the tension between the country’s renewable energy policy and the ambition in reducing its carbon emissions.

Publication: White paper
2016.07.11

Reviews the environmental impacts of palm oil production for biofuel in Indonesia, including greenhouse gas emissions, biodiversity, and air and water pollution.

Publication: White paper
2016.06.22
Assesses the best practices in the design of electric vehicle incentives based on an analysis of these incentives across major markets in North America, Europe, and Asia.
Publication: White paper
2016.06.13
Assesses the environmental and societal impacts of utilizing sustainably available biomass for three different sectors: heat & power, liquid fuels, and bio-based materials. 
Publication: White paper

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