Solar and wind energy installations could earn hundreds of millions of dollars by mining bitcoin during periods of excess electricity generation, according to a new study. Scientists from Cornell University in the US, who conducted the research, said setting up mining operations could reduce the environmental impact of cryptocurrency, while also providing revenue that could be reinvested in future renewable energy projects. “Profitability of a mining system hinges on periods of steady energy availability since renewable energy sources can vary significantly,” said Fengqi You, a professor of energy systems at Cornell University. “Therefore, it is important to site the mining farm strategically to maximise productivity.” The state with the most potential for setting up profitable crypto mining operations is Texas, according to the study, with 32 planned renewable projects capable of generating combined profits of $47 million. California, Colorado, Illinois, Iowa, Nevada and Virginia all showed potential, though setting up mining rigs presents a large initial cost. One way of incentivising such projects, Cornell doctoral student Apoorv Lal suggested, could be the introduction of new policies that provide economic rewards for mining bitcoin and other cryptocurrencies with clean energy ”These rewards can act as an incentive for miners to adopt clean energy sources, which can lead to combined positive effects on climate change mitigation, improved renewable power capacity, and additional profits during pre-commercial operation of wind and solar farms,” Mr Lal said. “We also recommend policies that encourage cryptocurrency-mining operations to return some of their profits back into infrastructure development. This would help create a self-sustaining cycle for renewable energy expansion.” Bitcoin has drawn criticism from environmentalists for the vast amounts of electricity required to support its network and mint new units of the cryptocurrency, with recent analysis from the University of Cambridge estimating that it uses roughly the same amount of electricity as Poland. The plummeting costs of renewable energy mean bitcoin miners are increasingly turning to solar, wind and hydro sources to power their operations. “In its current status, the infrastructure that supports the Bitcoin protocol cannot be sustained, but the beauty of the protocol is that the incentive structure will force miners to adopt the cheapest form of electricity, which in the near future will be renewable energy,” Don Wyper, COO of DigitalMint, told The Independent last year. The latest study, titled ‘From mining to mitigation: how bitcoin can support renewable energy development and climate action’, was published in the journal ACS Sustainable Chemistry & Engineering. Read More Bitcoin mining rate hits all-time high amid record-breaking prediction for 2024 Nasa has received a signal from 10 million miles away Scientists reveal surprise finding from huge study into internet and mental health Nasa has received a signal from 10 million miles away Scientists reveal surprise finding from huge study into internet and mental health Software firm Cloudsmith announces £8.8m investment

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Autonomous carmaker Cruise must suspend its driverless taxi operations in California immediately, state motor vehicles regulators announced on Tuesday. "The California DMV today notified Cruise that the department is suspending Cruise’s autonomous vehicle deployment and driverless testing permits, effective immediately,” the state Department of Motor Vehicles said in a statement. “The DMV has provided Cruise with the steps need to apply to reinstate its suspended permits, which the DMV will not approve until the company has fulfilled the requirements to the department’s satisfaction.” The regulator said it has the right to pull back permissions when “there is an unreasonable risk to public safety.” The suspension, which only applies to Cruise trips where no human safety driver is onboard the vehicle, follows an incident earlier this month, where a woman in San Francisco was struck by a human driver in a hit-and-run accident that propelled her into the path of a Cruise robotaxi. “Ultimately, we develop and deploy autonomous vehicles in an effort to save lives,” Cruise said in a statement to ABC7. “In the incident being reviewed by the DMV, a human hit and run driver tragically struck and propelled the pedestrian into the path of the AV. The AV braked aggressively before impact and because it detected a collision, it attempted to pull over to avoid further safety issues. When the AV tried to pull over, it continued before coming to a final stop, pulling the pedestrian forward.” “Our thoughts continue to be with the victim as we hope for a rapid and complete recovery,” the company added. The suspension is a major blow to Cruise, which is owned by General Motors. Alongside Waymo, a subsidiary of Google parent company Alphabet, Cruise saw California, and in particular San Francisco, as a key testing ground of driverless taxi technology. The companies both got permission from state regulators in August to conduct paid taxi service 24/7 without a safety driver in San Francisco, despite vigorous debate in the city over whether the AVs were safe enough to operate. The rollout of robotaxis in San Francisco has been marred with problems. Driverless cars, in particular Cruise taxis, were accused of causing traffic and impeding first responders. According to data Cruise shared with the state in August, between January and mid-July of 2023, Cruise AVs temporarily malfunctioned or shut down 177 times and required recovery, 26 of which such incidents occurred with a passenger inside, while Waymo recorded 58 such events in a similar time frame. Meanwhile, according to the San Francisco Municipal Transit Agency (SFMTA), between April 2022 and April 2023, Cruise and Waymo vehicles have been involved in over 300 incidents of irregular driving including unexpected stops and collisions, while the San Francisco Fire Department says AVs have interfered 55 times in their work in 2023. Last year, Cruise lost contact with its entire fleet for 20 minutes according to internal documentation viewed by WIRED, and an anonymous employee warned California regulators that year the company loses touch with its vehicles “with regularity.” Since being rolled out in San Francisco, robotaxis have killed a dog, caused a mile-long traffic jam during rush hour, blocked a traffic lane as officials responded to a shooting, and driven over fire hoses. Jeffrey Tumlin, San Francisco’s director of transportation, has called the rollout of robotaxis a “race to the bottom,” arguing Cruise and Waymo weren’t yet definitive transit solutions, and instead had only “met the requirements for a learner’s permit.” Others have argued the introduction of driverless cars in San Francisco and beyond will further displace workers pushed out of the taxi industry by companies like Uber and Lyft. Read More Live updates: Republicans nominate Tom Emmer for House speaker New doc on the wrestling abuse that dogged Jim Jordan’s Speaker run Trump slams ‘Globalist RINO’ Tom Emmer after speaker nomination win Live updates: Republicans nominate Tom Emmer for House speaker New doc on the wrestling abuse that dogged Jim Jordan’s Speaker run Trump slams ‘Globalist RINO’ Tom Emmer after speaker nomination win

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Firefighters battled a blaze in Rhodes as a new heatwave loomed over Greece, threatening to stoke tinderbox conditions across the country. Greek meteorological service had warned of a heightened risk of fires from Thursday, as the country recovered from the first major heatwave of the summer. A second heatwave was forecast to start on Thursday, with temperatures exceeding 40 degrees Celsius (104 degrees Fahrenheit) in some areas, and rising further on Friday to a maximum of 44C. Thousands have also been evacuated in the Canary Islands and Switzerland in recent days, as southern Europe is gripped by ongoing wildfires and extreme heat caused by the fossil-fuel-driven climate crisis. Fires are common in Greece, but hotter, drier and windy summers have turned the Mediterranean into a wildfire hotspot in recent years. Temperature records were shattered in Rome and Catalonia on Wednesday as most of Italy’s big cities were placed under a red alert. Read More Why is there no UK heatwave as Europe swelters during Charon? Expert warns of heart attack risk as heatwaves intensify due to climate change Families unable to cancel summer holidays despite extreme heat warnings and wildfires

The National Highway Traffic Safety Administration is investigating General Motors’ Cruise autonomous vehicle division after receiving reports of incidents where vehicles may not have used proper caution around pedestrians in roadways

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