Researchers from the Technical University of Braunschweig and Volkswagen have found a CO2-based heat pump to be the most efficient of four options studied for mobile air conditioning (MAC).
CO2 at heart of Delhaize’s new Urban Farm r744.com, Jan 22, 2018 In a European first, heat reclaimed from the transcritical CO2 refrigeration system at the heart of Delhaize’s remodelled supermarket in Brussels is used to heat the greenhouses of the retailer’s rooftop Urban Farm. R744.com reports from Ixelles, a suburb of the Belgian capital. “This is … Read more
CO2 trainer sheds light on transcritical r744.com, January 10, 2018 In a bid to increase understanding of transcritical CO2 systems in North America, Hillphoenix’s senior corporate trainer Rusty Walker led a training session in an effort to educate technicians who typically work in industrial plants on the finer points of the technology at the RETA (Refrigerating Engineers … Read more
Japanese firm boasts ‘world’s first’ CO2 research laboratory r744.com, November 29, 2017 To push the development of CO2 technology forward – especially in the food-manufacturing sector – Food Techno Engineering Co., Ltd. (FTE), an engineering and contracting company headquartered in Osaka, Japan, has opened a research laboratory to demonstrate and test cutting-edge transcritical CO2 refrigeration systems. The CO2 research … Read more
Maersk begins testing CO2-cooled shipping containers r744.com, September 18, 2017 In a move that could lead to wider uptake of natural refrigerant-based cooling solutions in the maritime sector, Maersk Line, the world’s largest container shipping company, has begun testing 100 refrigerated shipping containers fitted with Carrier Transicold’s NaturaLINE CO2 refrigeration system at the port of Santa … Read more
Growing use of CO2 and hydrocarbons in light commercial refrigeration continues to freeze out HFCs Hydrocarbons, September 22, 2015. Image credit: stokpic There are currently more than 291,000 natural refrigerant-based light commercial units in North America, with more than 181,000 units using hydrocarbons and 109,000 employing CO2. shecco’s previous market report on North America in 2013 … Read more
Obama’s Latest Executive Order Cuts Government CO2 Emissions, And The Private Sector’s Joining In Think Progress, March 19, 2015 On Thursday morning, President Obama signed a new executive order that requires the federal government to cut greenhouse gas emissions by 40 percent by 2025 from 2008 levels. A fact sheet distributed by the White House … Read more
Small-Diameter Copper Tubes with Alloying Elements Can Handle CO2 Refrigerant ACHR News, January 15, 2015 Smaller-diameter copper tubes strengthened with low percentages of alloying elements can withstand the higher pressures of the new refrigerants such as CO2 (R-744), according to the International Copper Association. Refrigerants with low global warming potential (GWP) typically must operate at … Read more
Planes, trains, or automobiles: what’s the most climate-friendly way to travel? A new study by researchers from IIASA and CICERO brings better estimates of how much personal travel impacts the climate. The study calculates the climate impact for passenger trips of 500-1000 km — typical distances for business or holiday trips.
The ‘Roaldnes’ of Valderøya in Norway will be the first to have a brand new transcritical CO2 refrigeration system installed onboard, combined with four DSI V3/26/100 freezers and one DSI V3/12/100.