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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

Green Car Congress

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. —Pomponi et al.

Emissions 476
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Delhi startup develops air-purifying motorcycle helmet

Green Car Congress

kg helmet ensures exposure reduction by more than 80% as measured using a controlled environment. The founders of Shellios Technolabs hit upon the idea on realizing the challenges faced by bikers during the air quality crisis that Delhi faces in the winter months.

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Toyota develops storage module for 70 MPa automotive hydrogen tanks; transportation of H2, other applications

Green Car Congress

However, using the same tanks in a variety of types of applications requires meeting different safety standards and adjusting to each environment. Conceptual model of hydrogen tank storage module. For this reason, they are not currently used for a wide range of purposes. This is also connected to the development of this conceptual model.

Hydrogen 457
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OSU researchers find small particles from tires inhibit growth of organisms in freshwater, coastal estuaries

Green Car Congress

about 30% of its tread erodes and enters the environment. million metric tons of tire wear particles flow into the environment each year in the United States. The researchers also mentioned several ways to limit tire particles from entering the environment. They also cite a recent study that estimated more than 1.5 Resources.

Oregon 415
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Elon Musk Has No Idea What He’s Doing With Tesla Bot

Cars That Think

But from listening to what Elon Musk said today, I don't think he has any idea what getting humanoid robots to do useful stuff actually involves. Besides, autonomous cars live in a highly constrained action space within a semi-constrained environment, and Tesla cars in particular have plenty of well-known issues with their autonomy.

IDEA 145
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Researchers show how bacteria convert toxic copper ions to stable metallic copper

Green Car Congress

The idea of having bacteria in mines is not new, but the unanswered question was: what are they doing in the mines? The novelty of this discovery is that microbes in the environment can easily transform copper sulfate into zero valent single atom copper. An open-access paper on their research is published in Science Advances.

Convert 429
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Nissan using second-life LEAF batteries in factory AGVs

Green Car Congress

Nissan was exploring new ways to reuse its Nissan LEAF batteries, and hit upon the idea of using them in AGVs. Last year, they took this idea to a new level by using repurposed battery modules, instead of new ones, to power AGVs. The first-generation LEAF was fitted with a 24-kilowatt-hour battery pack comprising 48 modules.

Nissan 343