The queues at Seoul’s gas stations are growing longer, mirrored only by the deepening shadows of a conflict thousands of miles away. As the U.S.-Israeli war with Iran sends shockwaves through global energy markets, South Korea is contemplating a move that would have seemed unthinkable just months ago: a nationwide mandate to force private cars off the road. This is no longer a mere contingency plan discussed in the sterile halls of the Finance Ministry; it is a looming reality for a nation that breathes on imported crude. The numbers tell a story of escalating pressure. Finance Minister Koo Yun-cheol signaled this weekend that the government is prepared to extend driving restrictions to the general public should crude prices breach the $120 to $130 per barrel threshold. Currently, prices hover in the $100 to $110 range, but the volatility of the Middle East keeps the "warning" stage of the country’s four-tier resource security system within reach. If triggered, this would mark the first time since the 1991 Gulf War that South Korea has resorted to such drastic measures, resurrecting a ghost of energy crises past. For a country that relies on the Middle East for 70% of its crude oil, the current geopolitical climate is more than a diplomatic headache—it is an existential threat to economic stability. The government has already pulled the first lever, enforcing a mandatory five-day vehicle rotation for public institutions, where license plate numbers dictate who can drive and when. But the public sector is just the tip of the iceberg. The real impact lies in the private sector, where the Ministry of Finance remains hesitant, weighing the massive economic disruption against the necessity of conservation. The private sector, however, is not waiting for a formal decree. Industrial giants like Samsung Electronics and SK Group have already begun internal mobilizations, urging their vast workforce to adopt voluntary fuel-saving measures and park their private vehicles. Even politicians have traded their chauffeured sedans for bicycles and subways, attempting to lead by example on social media. Yet, beneath these symbolic gestures lies a grim realization: if the Strait of Hormuz tightens further, voluntary efforts will not be enough to bridge the gap left by a shattered supply chain. Ultimately, Seoul’s strategy is a desperate race against the clock. While the government considers further fuel tax cuts to shield households, the core of the problem remains out of its control. South Korea is essentially waiting for a de-escalation that may not come, holding its breath while preparing to hit the brakes on a national scale.