The most visible advance in falling renewable energy is in the scale of wind turbines. Photograph: iStock

The cost of renewable energy is plunging faster than forecasters anticipated just a few years ago as technologies such as gigantic wind turbines arriv(...)

 “Using carbon fibre composites we can achieve rotor diameter sizes of up to 220 metres generating much greater amounts of electricity in the process,” said  Professor Paul Weaver as Bernal Chair of Composite Materials, UL.

Next week sees the launch of the Bernal Institute at the University of Limerick (UL). The new Institute combines the Bernal Project, the Materials a(...)

Siemens raised its forecast for earnings per share for the full year to between €6.50 and €6.70 compared with the previous range of between €6 and €6.40. Photograph: Michaela Rehle/Reuters

Siemens, Europe’s biggest engineering company, raised its earnings outlook for the year after posting higher-than-expected third-quarter profit and a (...)

Bear market looms as a fresh slide in crude and the perceived creditworthiness of European banks adds to doubts about the strength of the global  economy.  Photograph: Frank Rumpenhorst/EPA

Global stocks are on the precipice of a bear market as a fresh slide in crude and the perceived creditworthiness of European banks added to doubts ab(...)

Vestas wind turbines in  Brittany: turbine makers are benefiting from surging demand for clean energy.  Photograph: Alastair Miller/Bloomberg News

Vestas Wind Systems, Gamesa Corp Tecnologica and Nordex, Europe’s three publicly traded wind-turbine makers, all doubled in value in 2015 after record(...)

Ryanair declined 1.9 per cent to €12.51.  Photograph: Josep Lago/AFP/Getty Images

Another day of losses for European stocks was prompted by concerns global growth is weakening and by uncertainty about the timing of an increase in US(...)

Ryanair finished 0.9 per cent lower at €6.91, with the airline announcing that Howard Millar plans to step down as deputy chief executive and chief financial officer in December

European stocks were little changed, with the Stoxx Europe 600 Index capping its fourth straight quarterly gain, as contracts to buy previously owned(...)

Delta Air Lines retreated 3 per cent to $27.05. The airline said yesterday it would honour tickets sold at incorrect prices on its website and other booking channels after customers snapped up bargains such as round trips to Hawaii for $6.90. Photograph: Eric Luke.

Despite wafer-thin trading volumes at the Iseq and elsewhere, European stocks rose across the board yesterday, with some bourses now on their longest (...)

Traders on the floor of the New York Stock Exchange wait for the Federal Reserve’s decision in relation to its economic stimulus programme.  Photograph: David Karp

Markets on this side of the Atlantic were again held back by concerns over what the US Federal Reserve would choose to do in relation to its economic (...)

Bank of Ireland stock closed 2.6 per cent down at 26.2 cent, not unexpectedly given that it was issuing new shares

European shares fell for a fourth consecutive day on fears that the US Federal Reserve will slow stimulus measures sooner than forecast in response to(...)