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MIT study concludes that absent climate policy, coal-to-liquids could account for around a third of global liquid fuels by 2050

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A new assessment of the viability of coal-to-liquids (CTL) technology by researchers from the MIT Joint Program on the Science and Policy of Global Change (JPSPGC) found that without climate policy, CTL has the potential to account for around a third of global liquid fuels by 2050. Credit: Chen et al., 2011 Click to enlarge.

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MIT Report Finds Natural Gas Has Significant Potential to Displace Coal, Reducing Greenhouse Gas Emissions; Role in Transportation More Limited

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Natural gas will play a leading role in reducing greenhouse-gas emissions over the next several decades, largely by replacing older, inefficient coal plants with highly efficient combined-cycle gas generation, according to a major new interim report out from MIT. The first two reports dealt with nuclear power (2003) and coal (2007).

MIT 240
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Transphorm introduces Gallium Nitride diode; >99% efficient DC-DC boost converter

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Transphorm says that its solutions cut energy waste by 20% and simplify the design and manufacturing of a wide variety of electrical systems and devices, including motor drives, power supplies and inverters for solar panels and electric vehicles. is showcasing a GaN-based, dc-to-dc boost converter running at more than 99% efficiency.

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U Chicago, MIT study suggests ongoing use of fossil fuels absent new carbon taxes

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A paper by a team from the University of Chicago and MIT suggests that technology-driven cost reductions in fossil fuels will lead to the continued use of fossil fuels—oil, gas, and coal—unless governments pass new taxes on carbon emissions. for oil, 24% for coal, and 20% for natural gas.

Chicago 150
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ARPA-E Selects 37 Projects for $106M in Funding in Second Round; Electrofuels, Better Batteries and Carbon Capture

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Today’s technologies for making biofuels all rely on photosynthesis—either indirectly by converting plants to fuels or directly by harnessing photosynthetic organisms such as algae. This process is less than 1% efficient at converting sunlight to stored chemical energy. Electrofuels: Biofuels from Electricity. Engineering E.

Carbon 249
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The Complex Calculus of Clean Energy and Zero Emissions

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Jenkins: Energy systems became globalized in the middle of the 20th century and then encountered global supply shocks, like the oil embargoes of the ’70s. So when I went to MIT to do my Ph.D., You need a bigger grid to supply that electricity. But wind turbines convert wind to power at the wind speed cubed.

Clean 100