High power to weight ratio electric motor

Which is better for Earth : an electric or gas-powered vehicle? The answer to this question might seem blindingly obvious: Of course electric cars must be better for the environment, because they don’t have exhausts and so don’t emit greenhouse gasses as they drive. However, electric vehicles (EVs) aren't perfect, and they come with their own set of polluting problems. Notably, their batteries contain components, such as lithium , that require a significant amount of energy to source and extract. But battery production is just one part of an electric car's life span. A 2014 study published in the journal Proceedings of the National Academy of Sciences looked at the entire life cycle of an EV's emissions, from mining the metals required for the batteries to producing the electricity needed to power them, and then compared this with the average emissions of a gas-powered vehicle. The team found that when electric vehicles are charged with coal-powered electricity, they’re … [Read more...] about Is an electric car better for the planet?

VIENTIANE: Laos is set to cede majority control of its electric grid to a Chinese company, as it struggles to stave off a potential debt default, people with direct knowledge of the agreement said. The deal comes at a time when critics accuse Beijing of "debt trap diplomacy" to gain strategic advantage in countries struggling to repay loans taken out under President Xi Jinping's global Belt and Road infrastructure initiative. China is Laos's biggest creditor, and the deal will bind the landlocked, mountainous country of 7 million people closer to its giant neighbour. The power grid shareholding deal was signed on Tuesday (Sep 1) between state-owned Electricite du Laos and China Southern Power Grid, according to Chinese state news agency Xinhua, which did not give details of the new ownership. Three people with knowledge of the matter said it would give majority control of the new Electricite du Laos Transmission Company to the Chinese company. Power exports are central to … [Read more...] about Taking power: Chinese firm to run Laos electric grid amid default warnings

REUTERS: Uber Technologies Inc on Tuesday said every vehicle on its global ride-hailing platform will be electric by 2040, and it vowed to contribute US$800 million through 2025 to help drivers switch to battery-powered vehicles, including discounts for vehicles bought or leased from partner automakers. Uber, which as of early February said it had 5 million drivers worldwide, said it formed partnerships with General Motors and the Renault, Nissan, Mitsubishi alliance. In addition to the vehicle discounts, Uber said the US$800 million includes discounts for charging and a fare surcharge for electric and hybrid vehicles, the cost of which would be partially offset by an additional small fee charged to customers who request a "green trip." Uber said that vehicles on its rides platform in the United States, Canada and Europe will be zero-emission by 2030, taking advantage of the regulatory support and advanced infrastructure in those regions. The deals with GM and the Renault … [Read more...] about Uber promises 100per cent electric vehicles by 2040, commits US$800 million to help drivers switch

After being unveiled earlier this week, the Lexus LC 500h is back to reveal all of its technical specifications along with fresh imagery and footage. After being unveiled earlier this week, the Lexus LC 500h is back to reveal all of its technical specifications along with fresh imagery and footage. The rumors were true as the hybrid version of the LC 500 does indeed come with a 3.5-liter V6 gasoline engine working together with an electric motor. Also part of the package is a lithium-ion battery pack and a four-speed automatic transmission which has a manual mode. The combustion engine develops 295 horsepower (220 kilowatts) at 6,600 rpm and 257 pound-feet (348 newton meters) at 4,900 rpm, while the e-motor has 60 hp (44.6 kilowatts). This gives the hybridized coupe a combined output of 354 hp (264 kilowatts) which will be enough for a sprint to 62 miles (100 kilometers) per hour in less than five seconds. This is all possible thanks to Lexus’ “Multi Stage Hybrid System” … [Read more...] about Lexus LC 500h detailed, packs 354 hp [video]

The Hill may be compensated and/or receive an affiliate commission if you buy through our links. You can't leave home without your mask these days and, even as we attempt to resume some normalcy , it seems that will remain the case for a while. Despite an altered lifestyle for essentially everyone, advancements in mask-wearing technology have provided new solutions and innovative opportunities to approach daily endeavors with increased confidence in personal comfort and safety. With so many options, here's a rundown of best-selling, high-tech masks, including several that are on sale. Find the right fit for you. FDA-Registered KN95 Face Masks Recommended by the CDC for non-medical professionals, these masks feature a five-layer design that is proven to provide 95% filtration against dust, pollution, and airborne particulates. Get FDA-Registered KN95 Face Masks for $26.99 (reg. $59). FDA-Registered 3-Ply Face Masks Made from non-woven fabric that's … [Read more...] about Protect yourself from COVID with these innovative and affordable products