Ukraine, to the north, is a hotbed of smugglers seeking to profit from vastly higher prices on the other side of the rugged border. A pack of cigarettes rolled in makeshift workshops can sell for as little as half a euro and the price immediately doubles over the northern Transylvania and gets dramatically higher the closer they get to western capitals.
Some 9.7 million packs of cigarettes were confiscated in 2012 by police, who say they have busted 30 organized gangs. The patrols also stopped over 130 individual smugglers and recovered 268 stolen cars and vans.
The turning point in the daily battle waged in diverse terrain ranging from steppe to rugged mountains came in July when EU funds totaling some €2 million ($2.66 million) were invested in seismic sensors able to detect footsteps, surveillance cameras and other equipment.
Some €9 million worth of cigarettes alone have since been confiscated, officials say.
"We used to patrol through extreme weather, through cold and through rain, but the new technology makes our work much easier and the traffic has visibly decreased," chief agent Olimpiu Breton told The Associated Press. He says the X-ray systems known as Robo-Scan are working night and day and can detect whatever may be stashed inside passing trucks.
Video obtained by the AP showed officials intercepting an oil tanker, filled with contraband cigarettes.
After Romania became an EU member in 2007, life in the quiet northernmost region some 650 kilometers (400 miles) north of Bucharest changed dramatically.
Many people went to work abroad; those who remained had little option but to seek easy money. The 1,600 kilometers (1,000 miles) of border make Romania the European state with the longest external frontier. And with it came not just smuggled cigarettes, but also drugs, cars and human trafficking. The smuggling has also been rampant in other Balkan countries, as a result of the wars of 1990s.
Struggling uphill alongside his horse, woodcutter Ionut Opris sighed at the thought of what until recently had been a crime zone: "Smugglers are Romania's biggest thieves! We work hard, in the forest, in rain and cold, for less than €150 per month and pay taxes, while these guys, with their cigarettes, do nothing but steal."