| | Are we there yet? One of the fascinating things about tipping points (in retrospect) is how small and commonplace they sometimes seem. An industry, a market, or a regime can appear invincible, and then a small, unanticipated (or unnoticed) tipping point is reached and the entire landscape suddenly tilts in an entirely new direction. Some tipping points can signal devastating effects to come (think ocean temperatures); others simply lead to a reshuffling of industries or markets and new opportunities (and a few challenges) for innovators and investors. Here're a few examples of the latter. | | | | | Robotaxis Driverless cars still seem a bit sci-fi. It's not the engineering that seems fantastical—we've grown accustomed to cruise control, cars that park themselves, and airplane autopilot technology. It's the societal aspects that we find hard to wrap our heads around: ethical issues in programming driverless cars , insurance when there's no blame to assign in accidents, questions like "Do you let your seven-year-old borrow the car alone to get to a playdate?" Not to mention policy issues: Can cops ticket driverless cars? Who regulates their safety? Will cheap and easy car services increase congestion? Will we still need street parking? What are the near-term and long-term economic issues? Whether we're ready to answer these questions or not, the tipping point has come. Robotaxis are operating in San Francisco—and they aren't part of a pilot project. They're a working commercial enterprise. It's well past time to decide what to do about it. | | | | | Lawn equipment Home Depot, the largest home improvement store in America, has announced that by 2028, 85% of the outdoor lawn equipment (mowers, leaf blowers, trimmers) it sells will be electric with rechargeable batteries. The company estimates that this will reduce 2.2 million metric tons of pollution annually from the exhaust pipes of residential lawn equipment, but it says that's not the only reason for the change . Home Depot is betting that customers will prefer equipment that is much quieter and requires less maintenance, and it believes the price point for the equipment will be similar. | | | | | Gradually. Then suddenly. Sometimes an idea or technology lingers for quite a while before the tipping point is reached. Often price or lack of political will is what stalls momentum. If electric lawn equipment can be priced close to gas-powered equipment, benefits such as cost of operations and sound levels push the tipping point. Green energy, for example, was seen as an outlier until its price dropped below that of nuclear or fossil fuels. But industrial equipment is expensive to replace, so the tipping may occur more slowly as aging equipment is replaced out of necessity rather than as an optional improvement. A Colorado company has built an energy-efficient electrified heat pump boiler that the company claims could be up to twice as efficient as resistive boilers. Industry accounts for around 10% of global carbon dioxide pollution and relies heavily on steam to transfer heat, sterilize equipment and goods, and separate chemicals—a practice that generates more than 2 billion tons of carbon dioxide pollution per year. So a more efficient boiler could have a dramatic effect on industry carbon emissions. But while the operating costs are reduced and the cost of heat pump technology is declining , the company may still struggle to compete against the very low cost of natural-gas-fueled boilers in some markets. Climate policies that incentivize reducing industrial emissions could help make these technologies more appealing. | | | |
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