Fuel Efficiency

Reply affidavit on behalf of the Central Ground Water Board (CGWB) regarding state of groundwater in Haryana, 03/05/2025

Reply affidavit on behalf of the Central Ground Water Board in the matter of Suo Moto case titled "Haryana 60.48% groundwater over exploited Kurukshetra worst Jhajjar best says" appearing in the Tribune, January 8, 2025. The CGWA report, May 3, 2025 addresses the issue of groundwater exploitation and violation of …

Light-duty automotive technology, carbon dioxide emissions, and fuel economy trends: 1975 - 2015

The U.S. Environmental Protection Agency has released a report that explores key trends in carbon dioxide emissions, fuel economy, and technology usage related to model year 1975 through 2015 light-duty vehicles sold in the United States.

Fuel economy state of the world 2016: time for global action

Worldwide, the vehicle fleet is not making enough progress on fuel economy and is failing to reach global targets aimed at reducing CO2 emissions, cutting oil consumption and improving energy efficiency according to a new report from the Global Fuel Economy Initiative (GFEI) (earlier post) released at the Paris COP21 …

Global climate change mitigation potential from a transition to electric vehicles

This paper investigates the potential for electric vehicles to contribute toward leading nations’ climate goals. The analysis is specifically designed to quantify the upper bound climate benefits from the most proactive governments meeting their long-term goals to decarbonize passenger vehicles with increased penetration of plug-in electric and hydrogen fuel cell …

Overview of the heavy-duty vehicle market and CO2 emissions in the European Union

Heavy-duty vehicles (HDVs) represent only 4% of the on-road fleet in the European Union, but are responsible for 30% of on-road CO 2 emissions. Countries around the world are implementing standards to regulate CO2 emissions from HDVs. The EU’s current strategy is focused on addressing market forces and developing a …

Review and evaluation of vehicle fuel efficiency labeling and consumer information programs

Vehicle Fuel Efficiency Labeling (VFEL) is used by numerous countries worldwide to improve the fuel efficiency of their transport fleets. The theory behind VFEL is that better-informed consumers are more likely to purchase fuel-efficient vehicles, and that market demand can improve the energy efficiency of the transport sector. Twelve of …

Tracking sustainable transport in Vietnam: data and policy review for energy efficiency and climate change 2015

This report aims to provide an up to date picture of the transport sector and transport-related greenhouse gas emissions and mitigation policies in Vietnam, in order to provide policy-makers, researchers, international donors and other stakeholders a reference document for sustainable transport and climate change. It covers the full land transport …

South Korea fuel economy and greenhouse gas standards for new LDVs 2016-2020

Summarizes the new average fuel economy and greenhouse gas standards for light-duty vehicles that will phase in from 2016 through 2020. On December 30, 2014, the Ministry of Environment (ME) announced the new average fuel economy (FE) and greenhouse gas (GHG) standards for light-duty vehicles (notification no. 2014-235). A nearly …

Government looks to scale back tax break for eco-cars

The government plans to extend a tax break for purchases of environmentally safer vehicles by a year through fiscal 2016, but apply it to a narrower scope of cars, according to sources close to the matter. The government and ruling coalition will compile annual tax reform plans toward the end …

‘Neither ambitious nor equitable’: Indian think tank on US climate action plan

At the time when India is asking rich nations to look at their lifestyle and excessive consumption pattern to reduce their carbon footprints, an Indian green think tank - the Centre for Science and Environment (CSE) - on Wednesday came out with a comprehensive study substantiating New Delhi's view point. …

Contribution of transport commitments to global goals on sustainable development: 2015 transport commitments report

Sustainable Transport matters when it comes to improving people’s lives. This together with: The transport sector is taking important action to address the two key global policy processes of 2015: sustainable development and climate change are major findings of the 2015 SLoCaT Transport Commitments Report. The 2015 report, Contribution of …

Mind the gap 2015: closing the chasm between test and real-world car CO2 emissions

The system of testing cars to measure fuel economy and CO2 emissions is utterly discredited. This report analyses the gap between test results and real-world performance and finds that it has become a chasm, increasing from 8% in 2001 to 31% in 2012 and 40% in 2014. Without action this …

Today is World Ozone Day

Reducing our carbon footprint, be it in our personal lives or industrial activity remains key to saving the Earth from environmental degradation, say experts in the city as the world observes the International Day for the Preservation of the Ozone Layer on Wednesday. More commonly known as the ‘World Ozone …

Nine out of 10 new diesel cars exceed EU pollution limits, report finds

Nine out of 10 new diesel cars break new EU pollution limits when tested on roads rather than test tracks, according to a new report. On average, the cars emit seven times the permitted level of NOx gasses, with the worst car producing 22 times the legal limit. Models from …

Direct progression from Bharat IV to Bharat VI national vehicle emission standards in India

The Indian Ministry of Petroleum and Natural Gas has been considering the possibility of leapfrogging from Bharat Stage (BS) IV emission standards in April 2017 to BS VI emission standards in April 2020. The Parliamentary Committee on Petroleum and Natural Gas has endorsed the idea. The case for expediting progress …

Toyota unveils Prius hybrid with 10% greater fuel efficiency

LAS VEGAS – Toyota Motor Corp. unveiled the new Prius, its leading hybrid car, in Las Vegas on Tuesday, saying it will be 10 percent more fuel-efficient than existing comparable vehicles. The fourth-generation Prius comes at a time when driver interest in the United States is shifting toward larger, less …

Raising ambition to reduce international aviation and maritime emissions

A new paper from the New Climate Economy shows there is large untapped potential for fuel efficiency gains in both aviation and shipping sectors that would cut costs and reduce emissions. International aviation and shipping have grown dramatically in the last few decades along with their emissions: aviation and shipping …

Aeroplane efficiency more than a decade behind schedule

Despite a 45% reduction in average aircraft fuel burn in the last 40 years, the aviation industry is still around 12 years behind efficiency targets set by the UN's aviation body. That’s according to a new report from the International Council on Clean Transportation (ICCT) The UN’s International Civil Aviation …

Zimbabwe: TRB Develops Energy Efficient Barn

WORRIED that deforestation could ultimately be bad for business as well as for the environment, the Tobacco Research Board (TRB) has released a new barn design, the kutsaga barn, hoping to encourage farmers to use more fuel-efficient methods of curing their crops. The kutsaga barn is still based on rocket …

Market analysis of heavy-duty vehicles in India

India is currently considering establishing fuel efficiency regulation for new trucks and buses. This process formally started in July 2014 when the Ministry of Petroleum and Natural Gas officially constituted a Steering Committee to guide the regulatory development process (Minstry of Petroleum & Natural Gas 2014). In any regulatory development …

Assessment of heavy-duty natural gas vehicle emissions: implications and policy recommendations

Analyzes the implications of a growing natural gas vehicle fleet on the emission benefits of the U.S. HDV “Phase 2” greenhouse gas rulemaking, synthesizing data on upstream emissions, vehicle emissions, and efficiency technology. Recent assessments indicate that natural gas vehicles could constitute up to 20 percent of the new 2025 …

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