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Study finds high-density, low-rise cities such as Paris may be optimal urban form for reducing life cycle GHG emissions

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A study by researchers at CU Boulder and Edinburgh Napier University finds that high-density, low-rise environments such as those found in Paris are the optimal urban form when looking to reduce greenhouse gas emissions over their whole life cycle. There is a growing belief that building taller and denser is better.

Emissions 476
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Waste-to-biofuels company Enerkem raises C$280M, its largest financing round

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a leading waste-to-biofuels and chemicals producer, has completed a C$280-million (US$223 million) investment round—its largest to date. The technology converts non-recyclable, non-compostable municipal solid waste into methanol, ethanol and other widely-used chemicals. Canada-based Enerkem Inc., Earlier post.).

Waste 199
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GE study finds 5% of worlds natural gas production wasted per year by flaring

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Gas-flaring countries and trends. A newly released GE study — Flare Gas Reduction: Recent Global Trends and Policy Considerations —estimates that 5% of the world’s natural gas production is wasted by burning or “flaring” unused gas each year, despite some progress on the flaring issue.

Waste 260
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AirCapture, OCOchem and partners win $2.93M DOE grant for direct air capture of CO2 and conversion to formic acid

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AirCapture develops on-site, modular technology that captures CO 2 from the air using waste heat from manufacturing plants, enabling customer operations to go carbon neutral and even negative. We are converting common industrial waste streams into product streams —Todd Brix.

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Volkswagen and Stanford University develop modified ALD process to increase Pt/C fuel cell catalyst efficiency, improve durability

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Volkswagen and Stanford University have developed in partnership a new catalyst production process to reduce the comparatively high cost of automotive fuel cell technology. However, the desired catalytic process only takes place on the surface of the platinum particles, which wastes large quantities of the cost-intensive material.

Universal 246
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C40 Cities: urban consumption-based emissions must be cut by 50% by 2030, 66% for high-income areas; buildings, food, transport, clothing, electronics, appliances, aviation

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A report released by C40 Cities finds that consumption-based emissions from nearly 100 of the world’s big cities already represent 10% of global greenhouse gas emissions. Regulations and incentives to use less building materials could reduce steel and cement use by 35% and 56%, respectively.

Emissions 306
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UK shortlists 8 projects for £15M for development of sustainable aviation fuel production

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The shortlisted proposals include plants aiming to produce jet fuel from: Combining carbon dioxide captured from the atmosphere with hydrogen from water; Alcohol derived from wastes; Everyday household and commercial black bag rubbish; and. It could also increase UK fuel security. alfanar Energy Ltd. Green Fuels Research Ltd.

Fuel 321