Tech
New Technology Can Reduce Toxic Emissions In UK’s London Cabs
16 percent of nitrogen oxide (NOx) emissions in central London are caused by taxis. They are also responsible for 26 percent of the particulate matter in central London’s air. Both emissions come with a bevy of hazards to human and environmental health. However, a German company called HJS has developed a solution: a Selective Catalytic Reduction (SCR) system that can be retrofitted to old taxis. If the system works as advertised, taxi engines will not only be cleaner, but they will last longer and reduce costs.
SCR Does Not Affect Performance
According to HJS, the system that they hope to install in London cabs does not impact their performance or engine control unit. It works independently from the engine to remove nitrogen oxides and other contaminants from the exhaust. HJS estimates that SCR will reduce NOx by 75 percent compared to Euro 5 diesel taxis. This means that, by adopting an SCR system, Euro 5 taxis can become Euro 6.
Euro 5 Versus Euro 6
There are approximately 4,400 cabs in London with Euro 5 certification. Euro 5 denotes a vehicle whose engine emissions are higher than ideal – 0.18 g/km of NOx to be exact (for diesel). In comparing cars by their eco-friendliness, those that are certified Euro 6 win by a landslide. Euro 6 vehicles with diesel engines must emit no more than 0.08 g/km of NOx. If all outdated taxis were to adopt SCR, the entire fleet of London cabs would operate at an acceptable emissions level. For this to happen, the technology would likely need government approval.
Lifespan Extension On London Taxis
London law states that, starting in 2022, Euro 5 taxis will be forced to retire after 12 years of operation. This is where the Euro 6 advantage for taxi companies and drivers is most palpable. Cabs that have Euro 6 certification can drive for 15 years before retirement. That’s three extra years. A lot of fares can be collected in three years, and a lot of money can be saved on taxis if the old ones can be replaced every 15 years instead of every 12. SCR is, therefore, a cost-effective technology that should benefit the drivers themselves. Hidden costs, of course, may remain.
If SCR is approved and implemented, it could signal the end of energy-inefficient taxis – not only in London, but the world over. Electric power will claim whatever vehicles SCR misses. Diesel cabs are just another casualty in the war for sustainability.
Tech
How iAsk Visual Search Captures and Delivers Detailed Insights from the World You See
Byline: Shem Albert
There are moments when the world around you sparks curiosity, yet you do not even know the word for what you are seeing. You describe it in painstaking detail, type and retype, scroll through search results, hoping something matches. Minutes pass, sometimes longer, just to uncover a simple answer. That experience of encountering something unfamiliar and struggling to put it into words is all too common, yet often goes unnoticed. With a single photo, however, everything changes. iAsk Visual Search bridges that gap. Suddenly, the mystery becomes an opportunity to learn, experiment, or act in the moment.
Turning Discovery into Action
Using iAsk Visual Search is simple, yet the possibilities it opens up are immediate. You open the app and snap a photo of the object, diagram, or scene that has caught your attention. Instantly, the app identifies what it sees and provides context, turning a moment of curiosity into a starting point for exploration. From there, you can ask follow-up questions to dig deeper, consider alternatives, or uncover how something works in practical terms.
This goes far beyond basic identification. Where traditional image recognition might simply name an object or offer a brief description, iAsk lets you continue the conversation. It remembers the image, so you can explore multiple layers of information without starting over. What begins as a single observation quickly expands into actionable insights you can apply immediately.
Real-World Applications in Everyday Life
The real test of significance for iAsk Visual Search is how it is used in a user’s everyday life. Novice cooks and experienced chefs can rely on it to identify an unfamiliar ingredient and ask follow-up questions, such as preparation tips, cooking methods, or possible substitutions. Users can experiment with complementary flavors or adapt recipes based on what is available in their pantry, reducing hesitation and encouraging culinary creativity.
A quick snapshot of a street sign, menu, or product label in a foreign language is another way iAsk Visual Search supports everyday tasks. Users can ask follow-up questions to clarify translations, understand cultural context, or receive practical guidance. This enables individuals to navigate unfamiliar environments with confidence and ease.
These examples illustrate how iAsk Visual Search can become a versatile companion in daily life. It can serve as a travel guide, a study aid, or a creative assistant. Artists, crafters, and curious hobbyists can explore materials, techniques, or designs with guidance that is immediate and interactive. Each interaction transforms curiosity into tangible results, empowering users to act on the knowledge they gain instantly.
A Tool That Stands Apart
iAsk Visual Search stands out for its interactive, context-sensitive design. Users can maintain an ongoing dialogue with the app, exploring details without losing sight of the original image. This makes it possible to investigate complex subjects and adapt the information to specific tasks.
Privacy and accessibility are central to the experience. Images are not stored, personal data is not tracked, and there are no ads to interrupt the workflow. The app is available across multiple platforms without subscription barriers, making it accessible to students, parents, hobbyists, and professionals alike.
Curiosity Translated into Results
iAsk Visual Search turns a simple photo into an understanding you can act on. Whether it’s decoding a diagram, identifying an object, or untangling a confusing concept, a snapshot instantly delivers context, explanations, and next steps. It doesn’t just show you — it teaches you, guiding each discovery into something useful.
Every question becomes a chance to learn, explore, or create. From the kitchen to the classroom, the trailhead to the studio, iAsk makes the world clearer and curiosity immediately productive.
Snap. Ask. Learn. Then act. The answers are there. All you need to do is iAsk.
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