Foto: Fitch Ratings Reafirmó la calificación en AAA (col) de la compañía de energía colombiana con perspectiva estable. Archivo / EL TIEMPO La calificadora de riesgo Fitch Ratings removió la observación negativa de las calificaciones nacionales de largo plazo de Empresas Públicas de Medellín E.S.P. (EPM) y sus emisiones locales. Con este cambio la nota…
Image source,The University of Cambridge Image caption, This little machine could mean cars and planes that don’t damage the environment in future Scientists at the University of Cambridge think they’ve found the key to make cleaner fuel for cars and aeroplanes. They’ve created a device called a flow reactor. The flow reactor is designed to…
Natalie Sherman BBC News Chevron plans to slash its workforce by as much as 20% by the end of 2026, as it embarks on a wider cost-cutting effort. The company said the reductions would simplify its structure and enable it to act faster, better positioning the firm for long-term growth. The oil giant employed more…
The researchers describe the internal chemistry as forming an ion Pioneers on the front line of battery research are already looking for the next frontier «beyond» lithium-ion science. And a special additive could be the secret to unlocking the promising tech, according to experts at Argonne National Laboratory. The plan — using some fitting transportation-related nomenclature — is…
Lithium ore falls from a chute at a facility in Australia in this file image. Carla Gottgens/Getty Images/Bloomberg Creative Photos© Carla Gottgens/Getty Images/Bloomberg Creative Photos Russia wants to become a top lithium producer but faces a challenging environment. Its largest lithium mining project was sanctioned by the US in January. China, a partner in Polar Lithium,…
Las ciudades inteligentes están transformando la forma en que vivimos al integrar tecnología, digitalización y soluciones energéticas eficientes. En este contexto, el gas natural se consolida como una fuente clave para garantizar la sostenibilidad, la calidad del aire y la optimización de los recursos urbanos. El gas natural es una fuente confiable que permite a…
