Fuel
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Plastic waste is one of the most pressing environmental problems of our time. Now, engineers at MIT have developed an effective new catalyst that breaks down mixed plastics into propane, which can then be burned as fuel or used to make new plastic.
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Leaves are impressive machines, converting sunlight, carbon dioxide and water into energy. Cambridge scientists have now created artificial leaves that can float on water, tapping into sunlight above it and water below to efficiently produce fuels.
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Decarbonizing shipping is an enormous challenge, and green ammonia has some serious issues as marine fuel. It seems the industry is leaning toward methanol and dual-fuel setups as an early measure, so let's take a look at methanol's clean potential.
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As effective as fossil fuels may be, their impact on the planet cannot be overstated. Now researchers at Berkeley Lab have coaxed bacteria into directly producing a new biofuel with an energy density significantly higher than jet fuel.
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Engineers have demonstrated a pilot system that produces fuels from sunlight and air. The device captures carbon dioxide and water from the air and uses solar energy to convert it into syngas, which is then converted into carbon-neutral liquid fuels.
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One way scientists hope to prevent hypersonic aircraft from overheating is by having the propellant do double duty as a coolant, and newly developed 3D-printed catalysts could be the missing piece to this puzzle.
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As part of its goal to reach net zero carbon dioxide emissions by 2050, Rolls-Royce has begun testing 100-percent Sustainable Aviation Fuel (SAF) in a small commercial business jet, which could lead to lifecycle emissions reductions of over 75 percent.
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Engineers at the National University of Singapore have developed a new way to convert natural gas into a solid form, enabling safer and easier storage and transport. The process can be done in just 15 minutes using a low-toxicity mixture.
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Reaction Engines and Britain's Science and Technology Facilities Council (STFC) have completed a concept study into the practicality of using ammonia as a sustainable, low-emission jet aviation fuel.
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Researchers at the US Dept of Energy's Argonne National Laboratory have discovered a new catalyst that can convert carbon dioxide and water into ethanol with "very high energy efficiency, high selectivity for the desired final product and low cost."
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BMW i Ventures announced today it is investing in Prometheus Fuels. The Silicon Valley startup is working on technologies for pulling CO2 out of the atmosphere and processing it into carbon-neutral gasoline.
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Artificial leaves can convert sunlight, water and carbon dioxide into energy or even be used to produce fuels. Now, researchers from Cambridge have developed a new version that can produce synthetic gas (or syngas) without releasing carbon dioxide.
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