9 min read
Ammonia vs CO2 refrigeration in 2026
Two natural refrigerants, two engineering cultures, two operating costs per pallet. A practical comparison for cold-storage operators choosing today.
By Tomas Brennan
engineeringrefrigeration
Newsroom
Press, briefings, and field notes.
For journalists covering cold chain, food safety, and Indian logistics. For interviews and image library access, reach sales@thecolden.com.
Latest
Recent field notes from the dock.
7 min read
Energy contracts for cold storage, fixed vs index
Electricity is the second-largest line on a cold-storage P&L. The contract structure matters as much as the rate. Fixed, index, and hybrid, compared.
By Linda Rasmussen
energyoperations
8 min read
How FSSAI cold-chain compliance changed in 2025
The 2025 FSSAI guidance shifted the cold-chain audit conversation in India. Three changes that matter most to operators and to the customers they hold inventory for.
By Aisha Okonkwo
compliancefssai
6 min read
The hidden cost of dock-door dwell times
A trailer sitting at the dock with the door open is a refrigeration plant fighting summer. Most operators do not measure the cost. Here is how to.
By Daniel Chen
operationsenergy
8 min read
The case for solar at a cold-storage facility, and where it falls short
Cold-storage rooftops are huge and electricity bills are heavy. The math on solar is good, with three caveats most operators do not talk about.
By Maya Whitfield
sustainabilityenergy
8 min read
IQF tunnel sizing, a practical guide
Oversize an IQF line and you waste capital and energy. Undersize it and you miss the harvest window. A practical framework for getting it right.
By Tomas Brennan
blast freezingengineering
9 min read
Pharma cold storage vs food cold storage, what is actually different
From the outside the two look identical. Big box, cold air, racking. Inside, the SOPs, the setpoints, and the audit posture are different sports.
By Priya Anand
pharmacompliance
6 min read
Why 80% of recalls happen at the warehouse, not in transit
The reefer trailer gets the blame and the headlines. The warehouse is where most of the actual recall causes start. Here is why, with our data.
By Aisha Okonkwo
food safetyoperations
7 min read
Reefer trailer telematics, what to actually monitor
Most reefer telematics dashboards show 40 signals and surface 4 alerts. We strip it down to the six numbers that actually move the cold-chain needle.
By Daniel Chen
transportationtelematics