
Amazon is selling a ‘reliable' $149 dual dash cam for just $55, and shoppers say it has ‘crystal clear video'
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You need to keep your head on a swivel while driving, but your eyes can only be in so many places at once. Dash cams will give you an extra set of eyes on the road, and this 4K one from Amazon is a whopping 63% off right now.
The Coolcrazy Dual 4K Dash Cam is on sale for $55, which is $94 off the original $149 price tag. This popular car camera boasts nearly 400 five-star ratings at Amazon and shoppers say it's 'reliable and clear' and 'easily one of the best dash cams.'
Coolcrazy Dual 4K Dash Cam, $55 (was $149) at Amazon
Every angle is covered with this dual camera, as you can get a 170-degree view from the front and a 150-degree view from the rear. Better yet, this dual cam captures videos in 4K and can spot everything from oncoming pedestrians to road signs. All the recorded footage can be downloaded too, thanks to the built-in 5G WiFi connection and compatible app (that works on Android and iOS). In addition, this dash cam works at night and still thrives in low-light environments. And although the setup can be daunting for this kind of car tech, everything you need for mounting it comes with your purchase, including a suction cup and a pry tool to hide the wiring.
'From the moment I powered it up, the crisp 4K front-facing footage and detailed 1080p rear view blew me away,' one shopper said. 'Every license plate, road sign, and even subtle details in low light are rendered perfectly.'
'I've been using this dash cam for a few weeks now and I'm genuinely impressed,' another reviewer said. 'Setup was quick and intuitive – just plug it in and it starts recording automatically when the car turns on. The video quality is excellent, both during the day and at night. Even in low light, the image remains sharp enough to capture license plates and street signs clearly.'
A third shopper added, 'Between its rock‑solid build quality, wealth of smart features, and crystal clear video, this dual dashcam earns every one of its five stars.'
The Coolcrazy Dual 4K Dash Cam is over 60% off at Amazon, but not forever. It's marked as a 'limited-time deal' and could easily revert back to its original price. Add it to your cart ASAP before the dazzling discount disappears.
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Reuters
14 minutes ago
- Reuters
US power sector battery storage momentum keeps charging on
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Until recently, battery systems played only a tiny role within U.S. electricity networks, as utilities focused more on building out capacity from natural gas plants, solar and wind farms and other generation sources. In 2020, there was 30 times more solar capacity and 74 times more wind farm capacity than battery capacity within the U.S. generation system, according to energy data portal Cleanview. However, dramatic drops in the cost of battery systems - by as much as 40% a year since 2022 according to industry consultants - have helped drive uptake across several U.S. markets with large solar farm installations. As of April 2025, there was only around 5 times more solar and wind capacity in the U.S. than battery capacity, and battery capacity keeps climbing. 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As of April, there are 19 states with 100 MW or more of utility-scale battery storage. California is by far the top battery storage user, with around 13,000 MW in place, or about 42% of the national total. The California Independent System Operator (CAISO) is also the largest battery user among major U.S. electricity networks, and uses batteries to maximise the uptake and impact of its solar systems. The CAISO system has around 21,000 MW of solar capacity and about 12,400 MW of battery capacity, according to the California Energy Commission. That hefty battery capacity allows CAISO to use batteries as a key source of power during peak demand periods, particularly during the early evening when solar output drops off and household electricity demand picks up. 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The opinions expressed here are those of the author, a columnist for Reuters. Enjoying this column? Check out Reuters Open Interest (ROI), your essential new source for global financial commentary. ROI delivers thought-provoking, data-driven analysis of everything from swap rates to soybeans. Markets are moving faster than ever. ROI can help you keep up. Follow ROI on LinkedIn, opens new tab and X, opens new tab.


Reuters
22 minutes ago
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Tesla robotaxi launch: Why getting from dozens to millions of self-driving cars won't be easy
June 24 (Reuters) - Tesla (TSLA.O), opens new tab finally has a robotaxi. Now comes the hard part. The electric-vehicle maker deployed its first-ever driverless cabs in Austin, Texas, on Sunday in a small-scale test of carefully monitored Model Y vehicles. Next, the company faces the steep challenge of executing on CEO Elon Musk's ambition to refine the software and upload it to millions of Teslas within a year or so. Such a rapid expansion will prove extremely difficult, about a dozen industry analysts and autonomous-vehicle technology experts told Reuters. These observers expressed a range of views about Tesla's prospects but all cautioned against assuming a light-speed robotaxi rollout. Some pointed to advantages Tesla might exploit to overtake rivals including Alphabet's (GOOGL.O), opens new tab Waymo and a host of Chinese auto and tech companies. Tesla has mass-manufacturing capacity, and it pioneered remote software updates it can use for self-driving upgrades. The automaker also does not use sensors such as radar and lidar like Waymo and most rivals; instead, it depends solely on cameras and artificial intelligence. 'A rollout could be really quick. If the software works, Tesla robotaxi could drive any road in the world,' said Seth Goldstein, a Morningstar senior equity analyst, while cautioning that Tesla is still 'testing the product.' In Austin, Tesla launched a choreographed experiment involving maybe a dozen cars, operating in limited geography, with safety monitors in the front passenger seat; remote 'teleoperators'; plans to avoid bad weather; and hand-picked pro-Tesla influencers as passengers. For years, Musk has said Tesla would soon operate its own autonomous ride-hailing service and also turn any Tesla, new or used, into a cash-generating robotaxi for its customers. 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'There's no reason to believe Tesla will be any faster.' LONG SLOG Waymo's self-driving efforts date back to 2009, when Google started its self-driving car project. An egg-shaped prototype took its first ride on public streets in 2015, opens new tab – also in Austin. Waymo has taken since then to build a 1,500-robotaxi fleet in select cities. A Waymo spokesperson said it plans to add 2,000 more vehicles by the end of 2026. Some analysts believe Tesla can expand faster, in part because Waymo has helped pave the way by overcoming regulatory and technical challenges. 'Waymo and other pioneers have helped to drive regulatory change and have made riders, pedestrians and other road users aware of autonomous vehicles,' said Paul Miller, an analyst at market-research firm Forrester. Being a mass-manufacturer also helps Tesla, Miller said. Waymo buys Jaguar I-PACE SUVs and outfits them with more expensive sensors and technology than Tesla integrates into its vehicles. Waymo declined to comment on Tesla's robotaxi-expansion potential. The company's former CEO, John Krafcik, remains skeptical. The precautions Tesla employed in Austin reveal it does not have confidence its technology is safe at scale, Krafcik said. 'And they shouldn't,' he said. 'It's not as safe as it needs to be, and falls well short of the robust approach and well-documented safety that Waymo has demonstrated.' 'WRONG SIDE' OF THE ROAD Tesla's go-fast strategy could actually slow its progress and that of the autonomous-vehicle industry if it undermines public trust, some analysts said. Tesla has historically faced legal and regulatory trouble involving its Full Self-Driving (FSD) driver-assistance system, which is not fully autonomous. In one recent federal safety probe into Tesla, investigators are examining FSD's role in crashes – some fatal – involving rain or other inclement weather that interferes with the system's cameras. Before the Austin test, Musk posted on his social-media platform, X, that the robotaxis' technology would differ little from any Tesla, aside from a software update: 'These are unmodified Tesla cars coming straight from the factory, meaning that every Tesla,' he wrote, 'is capable of unsupervised self-driving!' The automaker invited Tesla-friendly influencers to take its first robotaxi rides, and they generally cheered the experience. One social-media video posted by a robotaxi passenger, however, showed the vehicle proceeding through a four-lane intersection with a traffic light – and into the wrong lane, for about six seconds. No oncoming traffic was in the lane at the time. 'Obviously we're on the wrong side of the double-yellow line here,' said the passenger, Rob Maurer, in a video narration of the experience, opens new tab he posted on X, noting that he felt safe but that the car behind him honked at the 'confusing maneuver." Maurer did not respond to requests for comment. 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Geeky Gadgets
23 minutes ago
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