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Scientists genetically engineer houseplant to remove carcinogens from air
Scientists at the civil and environmental engineering department at the University of Washington have genetically modified a common houseplant to break down toxic molecules present in chlorinated water and gasoline. The plant, “pothos ivy”, was engineered to express a protein called 2E1 which enables the breakdown of benzene and chloroform into components the plant can use for its own needs. The targeted chemicals are found in small amounts inside typical households, building up over time, but the size of their molecules is too small to be caught by HEPA filters. Since exposure to these chemicals has been linked to cancer, this scientific accomplishment is good news for human health.
In their study published on December 19, 2018 in the journal Environmental Science & Technology, researchers Long Zhang, Ryan Routsong, and Stuart E. Strand described the process they used to modify the pothos ivy plant. The plant was chosen because it was robust and able to grow under many different conditions, and the protein used – P450 2E1, “2E1” for short – is naturally present in all mammals. In humans, 2E1 is in the liver and only turns on to break down alcohol, thus it’s not helpful for breaking down air pollutants. For this reason, the team’s work was focused on making its functionality available outside of the body – they call it a “green liver” concept.
A synthetic version of the 2E1 protein occurring in rabbits was introduced to the pothos ivy so that every cell expressed it. In a test tube trial performed after the genetic modification, chloroform concentration dropped 82 percent after three days, undetectable by six days, and the benzene concentration dropped 75 percent by day eight in vials containing the plants and respective gases. To achieve the benefits of the modified functionality in a household setting, the chemicals will need to be moved to where the plant is located. “If you had a plant growing in the corner of a room, it will have some effect in that room,” Stuart Strand, one of the scientist in the study, said. “But without air flow, it will take a long time for a molecule on the other end of the house to reach the plant.”
Benzene is a common industrial chemical used to make plastics, dyes, detergents, and pesticides, among other things, and is generally found in both rural and urban areas. Its links to cancer are very clear – the most common being leukemia – which has led to significant regulation. While the amount most are exposed to is very low, over time it can build up, especially in areas with heavy traffic, cigarette fumes, and low ventilation. Chloroform is a chemical used that can be released into the air when chlorine is used to clean drinking water, waste water, and swimming pools. Although no direct association between cancer and inhaled exposure to chloroform, the Environmental Protection Agency (EPA) considers it to be a probable human carcinogen due to studies linking high exposure via oral ingestion to cancer.
The process of engineering the plant to function as desired took the team over two years, a significant amount of time compared to the months-long processes of other similar modification projects. However, the time spent was considered to be worthwhile due to both the results achieved and the hardiness of the plant used. They are now working to add the breakdown of formaldehyde to the plant’s capabilities using a different protein. Formaldehyde is a substance present in most building products and tobacco smoke that is also linked to cancer, asthma, and allergies.
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Tesla ramps up Sweden price war with cheaper Model Y offer
The incentive effectively acts as a manufacturer-funded EV bonus and makes the entry-level Model Y more affordable.
Tesla has introduced a new 40,000 SEK incentive in Sweden, lowering the price of its most affordable Model Y to a record low. The incentive effectively acts as a manufacturer-funded EV bonus and makes the entry-level Model Y more affordable.
As per a report from Swedish auto outlet Allt om Elbil, Tesla Sweden is offering a 40,000 SEK electric car bonus on the entry-level Tesla Model Y Rear-Wheel Drive variant. The incentive lowers the purchase price of the base all-electric crossover to 459,900–459,990 SEK, depending on listing.
The bonus applies to orders and deliveries completed by March 31, 2026. Tesla Sweden is also offering zero-interest financing as part of the campaign.
Last fall, Tesla launched a new base version of the Model Y starting at 499,990 SEK. The variant features a refreshed design and simplified equipment compared to the Premium and Performance variants. The new 40,000 SEK incentive now pushes the entry model well below the 460,000 SEK mark.
So far this year, the Model Y remains the most registered electric vehicle in Sweden and the third most registered new car overall. However, most registrations have been for higher Premium-spec versions. The new incentive could then be Tesla’s way to push sales of its most affordable Model Y variant in the country.
Tesla is also promoting private leasing options for the entry-level Model Y at 4,995 SEK per month. Swedish automotive observers have noted that leasing may remain the more cost-effective option compared to purchasing outright, even after the new discount.
The base Model Y Rear-Wheel Drive offers a WLTP range of 534 kilometers, a top speed of 201 km/h, and a 0–100 km/h time of 7.2 seconds. Tesla lists energy consumption at 13.1 kWh per 100 kilometers, making it the most efficient version of the vehicle in the lineup and potentially lowering overall ownership costs.
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Tesla China hires Autopilot Test Engineer amid continued FSD rollout preparations
The role is based in Lingang, the district that houses Gigafactory Shanghai.
Tesla is hiring an Autopilot Test Engineer in Shanghai, a move that signals continued groundwork for the validation of Full Self-Driving (FSD) in China. The role is based in Lingang, the district that houses Gigafactory Shanghai and has become a key testing zone for advanced autonomous features.
As observed by Tesla watchers, local authorities in Shanghai’s Nanhui New City within Lingang have previously authorized a fleet of Teslas to run advanced driving tests on public roads. This marked one of the first instances where foreign automakers were permitted to test autonomous driving systems under real traffic conditions in China.
Tesla’s hiring efforts come amid ongoing groundwork for a full FSD rollout in China. Earlier reporting noted that Tesla China has been actively preparing the regulatory and infrastructure foundation needed for full FSD deployment, even though the company has not yet announced a firm launch date for the feature in the market.
As per recent comments from Tesla China Vice President Grace Tao, the electric vehicle maker has been busy setting up the necessary facilities to support FSD’s full rollout in the country. In a comment to local media, Tao stated that FSD should demonstrate a level of performance that could surpass human drivers once it is fully rolled out.
“We have set up a local training center in China specifically to handle this adaptation,” Tao said. “Once officially released, it will demonstrate a level of performance that is no less than, and may even surpass, that of local drivers.”
Tesla CEO Elon Musk has been quite bullish about a potential FSD rollout in China. During the 2025 Annual Shareholder Meeting, Musk emphasized that FSD had only received “partial approval” in China, though full authorization could potentially arrive around February or March 2026. This timeline was reiterated by the CEO during his appearance at the World Economic Forum in Davos.
Elon Musk
Tesla Model Y outsells all EV rivals in Europe in 2025 despite headwinds
The result highlights the Model Y’s continued strength in the region.
The Tesla Model Y was Europe’s most popular electric car in 2025, leading all EV models by a wide margin despite a year marked by production transition, intensifying competition, and anti-Elon Musk sentiments.
The result highlights the Model Y’s continued strength in the region even as Volkswagen overtook Tesla as the top-selling EV brand overall.
As per data compiled by JATO Dynamics and reported by Swedish outlet Allt om Elbil, the Tesla Model Y recorded 149,805 registrations across Europe in 2025. That figure placed it comfortably at No. 1 among all electric car models in the region.
The Model Y’s performance in Europe is particularly notable given that registrations declined 28% year-over-year. The dip coincided with Tesla’s Q1 2025 transition to the updated Model Y, a changeover that temporarily affected output and deliveries in several markets. Anti-Elon Musk sentiments also spread across several European countries amidst the CEO’s work with U.S. President Donald Trump.
Even with these disruptions, the Model Y outsold its nearest rival by more than 50,000 units. Second place went to the newly launched Skoda Elroq with 93,870 registrations, followed by the Tesla Model 3 at 85,393 units. The Model 3 also recorded a 24% year-over-year decline. Renault’s new electric Renault 5 placed fourth with 85,101 registrations.
Other top performers included the Volkswagen ID.4, ID.3, and ID.7, along with the BMW iX1 and Kia EV3, many of which posted triple-digit growth from partial-year launches in 2024.
While the Model Y dominated individual model rankings, Volkswagen overtook Tesla as Europe’s top EV brand in 2025. Volkswagen delivered 274,278 electric cars in the region, a 56% increase compared to 2024. Much of that growth was driven by the Volkswagen ID.7. Tesla, by contrast, sold 236,357 electric vehicles in Europe, representing a 27% year-over-year decline.
JATO Dynamics noted that “Tesla’s small and aging model range faces fierce competition in Europe, both from traditional European automakers and a growing number of Chinese competitors.”
Despite intensifying competition and brand-level shifts, however. the Model Y’s commanding lead demonstrates that Tesla’s bestselling crossover remains a dominant force in Europe’s fast-evolving EV landscape.
Tesla ramps up Sweden price war with cheaper Model Y offer
Tesla China hires Autopilot Test Engineer amid continued FSD rollout preparations
