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New study confirms extensive gas leaks in the North Sea; recommends stricter guidelines for handling of abandoned wells

Green Car Congress

Researchers from the GEOMAR Helmholtz Center for Ocean Research Kiel have found that considerable quantities of the greenhouse gas methane escape uncontrolled into the water from abandoned oil and gas wells in the North Sea. Christoph Böttner, lead author. Haeckel, more than 15,000 boreholes have been drilled in the entire North Sea.

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Audi introduces new A4 Avant g-tron; Audi e-gas offered as standard

Green Car Congress

Audi has introduced the natural-gas-fueled A4 Avant g-tron; dealers in Europe will begin taking orders for the midsize model starting in early summer 2017. mi)—that equates to fuel costs of only about €4 (US$4.23) (as of: March 2017). The actual bursting pressure is much higher still and far exceeds the legal requirements.

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Study: expanding Brazilian sugarcane for ethanol could reduce global CO2 emissions by up to 5.6%

Green Car Congress

Most models used to predict future crop production are statistical models that really don’t take full account of the way changes in water, carbon dioxide and temperature interact to affect sugarcane production. The proposed expansion of sugarcane production is within the area that can be legally converted. Deepak Jaiswal, Amanda P.

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ICCT study concludes no technical barriers to use of higher blends of ethanol

Green Car Congress

The consumption scenarios are technically achievable but do not reflect significant barriers such as cost, regulation, legality, and consumer acceptance. Phase separation of water and ethanol from gasoline. Ethanol, on the other hand, readily mixes with both gasoline and water, and allows water to become incorporated in the fuel blend.

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US charges Audi manager with conspiracy to cheat US emissions tests; sacrificing NOx control for a sound system

Green Car Congress

As part of the SCR technology, exhaust stream emissions were dosed with a mist of a urea substance, commonly known as “AdBlue,” which converted NO x into nitrogen, water, and small amounts of carbon dioxide. billion criminal fine at its sentencing on 21 April 2017. The company was ordered to pay a $2.8-billion

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EIA: China’s use of methanol in liquid fuels has grown rapidly since 2000; >500K bpd in 2016

Green Car Congress

Source: EIA and Argus Media group, China Methanol to Energy Study , January 2017. Methanol, like ethanol, is an alcohol with inherent issues such as its solubility in water and corrosiveness. Annual methanol consumption in China, 2000-16. Click to enlarge. Background. Methanol in China.

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DoI cancels oil and gas leases in Arctic National Wildlife Refuge; proposes new protections in National Petroleum Reserve in Alaska

Green Car Congress

3401, which identified “multiple legal deficiencies in the underlying record supporting the leases.” On 21 January 2021, President Biden issued Executive Order 13990, directing the Department to review oil and gas leasing in the Refuge, “[i]n light of the alleged legal deficiencies underlying the program.”

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